# Sources for the covid-origins dig, with authenticity entries (rules A1-A10, build/SCHEMA.md).
# Research files are in the research set (the notes of streams o1 to o4); 'file_in_research_set' names the file read and
# 'sha256' is that file's hash, cross-checked against the stream's ALL_SHA256.txt when this manifest was generated.
# Only US-government and public-record texts that are small are stored in this repository (stored_as). No journal article text is stored.
# read: full = opened and read directly; partial = opened, read for the passages used; abstract = record or abstract only;
# secondary = known only through another document or a news report; not read = not opened.
# Access date for every source: 2026-10-05. Nothing was filled from memory: where a document could not be opened it is recorded as not read.
# Two WHO-China report PDFs exist under WHO URLs (6 April file read: e1ca927a2e3c373445022370e96264cb0febbfd3539ad72da2bc244230ba93a9; the earlier file is 837b2065456379582949282cc70a336081847b1ad5e1326146272efae6bffc25). The earlier file is in the research set (o4/src/WHO_joint_report_pre6Apr_version.pdf) and was not text-compared.
retrieved: '2026-10-05'
sources:
- id: src-odni-2021-summary
  title: ODNI. Unclassified Summary of Assessment on COVID-19 Origins (2 pages; print date 27 Aug 2021 per ODNI page; the PDF text carries no date)
  url: https://www.dni.gov/files/ODNI/documents/assessments/Unclassified-Summary-of-Assessment-on-COVID-19-Origins.pdf (redirects to https://archive.dni.gov/files/ODNI/documents/assessments/Unclassified-Summary-of-Assessment-on-COVID-19-Origins.pdf)
  document_class: primary_text (official assessment)
  read: full
  sha256: 51b0e98fddadc3dbf5c763363d9914da806a66eb1e0bc54be13ab00491eb4a24
  file_in_research_set: o3/raw/odni_2021_aug.pdf
  stored_as: sources/odni-2021-08-unclassified-summary.txt
  authenticity:
    status: authenticated
    strength: strong
    provenance: ODNI's own archive host (archive.dni.gov), reached by redirect from dni.gov; the ODNI publication page lists the same title with print date 27 Aug 2021.
    tests:
    - Official host and title match the ODNI publication page [read]
    - Key-takeaway wording is identical to the longer Updated Assessment (src-odni-2021-updated) [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The PDF text carries no date; the 27 Aug 2021 print date is from ODNI's page, and PDF metadata gives 27 Aug 2021.
    checked: '2026-10-05'
- id: src-odni-2021-updated
  title: ODNI. Updated Assessment on COVID-19 Origins (declassified; information through August 2021; 18 pages; no printed date; PDF metadata 29 Oct 2021; SAGO 2025 dates it October 2021)
  url: https://www.dni.gov/files/ODNI/documents/assessments/Declassified-Assessment-on-COVID-19-Origins.pdf (redirects to archive.dni.gov, same path)
  document_class: primary_text (official assessment)
  read: full
  sha256: a46456bb362705dd9e5c8f23ee1a4c8432a787b95f46cef957fc3907e083e933
  file_in_research_set: o3/raw/odni_2023_declassified.pdf
  stored_as: sources/odni-2021-10-updated-assessment.txt
  authenticity:
    status: authenticated
    strength: strong
    provenance: ODNI's own archive host (archive.dni.gov), reached by redirect from dni.gov.
    tests:
    - Official host [read]
    - Key-takeaway wording matches the 2-page summary word for word [read]
    - SAGO 2025 independently refers to an October 2021 ODNI report [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - No release date is printed; PDF metadata gives 29 Oct 2021, which is not a statement by ODNI.
    checked: '2026-10-05'
- id: src-odni-2023-wiv
  title: ODNI. Potential Links Between the Wuhan Institute of Virology and the Origin of the COVID-19 Pandemic (declassified by DNI Haines 23 Jun 2023; 10 pages; responds to the COVID-19 Origin Act of 2023 per its own text; the statute was not read)
  url: 'https://www.dni.gov/files/ODNI/documents/assessments/Report-on-Potential-Links-Between-the-Wuhan-Institute-of-Virology-and-the-Origins-of-COVID-19-20230623.pdf (redirects to archive.dni.gov, same path). A second copy (identical text per the research notes) is on govinfo.gov: https://www.govinfo.gov/content/pkg/GOVPUB-PREX28-PURL-gpo219705/pdf/GOVPUB-PREX28-PURL-gpo219705.pdf'
  document_class: primary_text (official assessment)
  read: full. The first words of each agency-position paragraph are blacked out in the public text (page 4 rasterised and checked), so the agencies' confidence levels are not legible.
  sha256: 5d3837ef89229659ed4d38cbf7dd3e66c70b516630d57c9abec6e4acf07f384d
  file_in_research_set: o3/raw/odni_2023_06_wiv_report.pdf
  stored_as: sources/odni-2023-06-wiv-report.txt
  authenticity:
    status: authenticated
    strength: strong
    provenance: ODNI's own archive host (archive.dni.gov) and a second copy on govinfo.gov (GPO).
    tests:
    - Header "DECLASSIFIED by DNI Haines on 23 June 2023" present [read]
    - Two copies from two official hosts have identical text [read]
    - Page 4 rasterised to confirm redaction boxes begin each agency-position paragraph [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Confidence levels and some sentence openings are redacted in the public text; the classified annex was not seen.
    checked: '2026-10-05'
- id: src-whitehouse-lableak
  title: 'White House. Lab Leak: The True Origins of Covid-19 (web page; metadata datePublished 2025-04-18, dateModified 2025-08-15; fetched 5 Oct 2026)'
  url: https://www.whitehouse.gov/lab-leak-true-origins-of-covid-19/ (covid.gov and covid.gov/origins redirect here)
  document_class: primary_text (official web page; adoption)
  read: full (page text). The version read is the modified one (15 Aug 2025); the April 2025 wording may differ.
  sha256: d323c7ffbbff2a60396bdb5e498903a9e74f8affe33c115232f5ef873aee9e5b
  file_in_research_set: o3/raw/whitehouse_lableak_20261005.html
  stored_as: sources/whitehouse-lab-leak-page.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Served from whitehouse.gov (covid.gov and covid.gov/origins redirect to it).
    tests:
    - Official host and page title [read]
    - Page metadata gives published and modified dates [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A live page that has been modified since first publication; no archive capture of the April 2025 version was compared.
    checked: '2026-10-05'
- id: src-state-wiv-factsheet-2021
  title: 'US Department of State, Office of the Spokesperson. Fact Sheet: Activity at the Wuhan Institute of Virology, 15 January 2021 (Wayback snapshot of 6 Jan 2022)'
  url: https://web.archive.org/web/2021/https://2017-2021.state.gov/fact-sheet-activity-at-the-wuhan-institute-of-virology/ (resolved to snapshot 20220106021524)
  document_class: primary_text (official statement)
  read: full
  sha256: ad2eb9eda7600999bff898a864f48d071e775c4395f8fc6b8569de10f1d49c5f
  file_in_research_set: o4/src/STATE_factsheet_15Jan2021_wayback.html
  stored_as: sources/state-dept-wiv-fact-sheet-2021-01-15.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Wayback Machine snapshot (6 Jan 2022) of the official 2017-2021.state.gov page; the live page returned an error body.
    tests:
    - Snapshot URL is the official State Department path [read]
    - The House Select Subcommittee report quotes the same sentence (with "illness" singular) [read]
    - Page text gives its own date, 15 January 2021 [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The live page could not be reached; the snapshot was not compared with a State Department file.
    checked: '2026-10-05'
- id: src-biden-2021-05-26
  title: President Biden. Statement on the investigation into the origins of COVID-19, 26 May 2021
  url: https://bidenwhitehouse.archives.gov/briefing-room/statements-releases/2021/05/26/statement-by-president-joe-biden-on-the-investigation-into-the-origins-of-covid-19/
  document_class: primary_text (official statement)
  read: full
  sha256: 9106f3484eab9fdb5ef0763e7c96eb3dee00ae5034f58c4b9e9c879230835c5a
  file_in_research_set: o3/raw/biden_2021_05_26.html
  stored_as: sources/biden-statement-2021-05-26.txt
  authenticity:
    status: authenticated
    strength: strong
    provenance: Biden White House archive host (bidenwhitehouse.archives.gov).
    tests:
    - Official archive host [read]
    - The 90-day review it orders matches the ODNI summary of Aug 2021 [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-nih-letter-2020-07-08
  title: 'NIH (Principal Deputy Director) to EcoHealth Alliance, 8 July 2020: withdrawal of termination of grant R01AI110964 and suspension of its activities (copy hosted by House Oversight)'
  url: https://oversight.house.gov/wp-content/uploads/2021/05/Eco-Health-Lab-letter-July-8.pdf
  document_class: primary_text (official letter)
  read: full
  sha256: 4369e81d2a52156210876559f86ad1d27a9846c5c123e1da736ee6d87e53ec13
  file_in_research_set: o4/src/HOUSE_NIH_letter_8Jul2020.pdf
  stored_as: sources/nih-letter-2020-07-08.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Copy hosted by the House Oversight Committee.
    tests:
    - The HHS 2024 memorandum describes the same letter (withdrawal of termination and suspension, 8 July 2020) [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Not compared with an NIH-held file (nih.gov refused this environment). Names of NIH staff and any private persons are not used in the dig.
    checked: '2026-10-05'
- id: src-hhs-eha-suspension-2024
  title: HHS. Action Referral Memorandum and Notice of Suspension and Proposed Debarment, EcoHealth Alliance, 15 May 2024 (copy hosted by House Oversight)
  url: https://oversight.house.gov/wp-content/uploads/2024/05/Tab-2-EHA-SUSP4D-ARM_05.15.2024_signed.pdf
  document_class: primary_text (official administrative record)
  read: full
  sha256: 2a4c006d10b5a68438fe5cc677e4da1aa4c89817ffa13fcfb47b1aa3044681ca
  file_in_research_set: o4/src/HHS_EHA_suspension_15May2024.pdf
  stored_as: sources/hhs-eha-suspension-2024-05-15.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Copy hosted by the House Oversight Committee; hhs.gov refused this environment.
    tests:
    - The final 2025 notices repeat the 15 May 2024 suspension date and the period [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Not compared with an HHS-held file. The unaltered public document names private attorneys; they are not named in the dig.
    checked: '2026-10-05'
- id: src-hhs-eha-arm-2025
  title: HHS. Action Referral Memorandum, debarment of EcoHealth Alliance (Jan 2025; undated in the extracted text, "the same date as this Notice"; House Oversight release dated 17 Jan 2025)
  url: https://oversight.house.gov/wp-content/uploads/2025/01/ARM_EHA_1.17.2025_Redacted.pdf
  document_class: primary_text (official administrative record)
  read: full
  sha256: 4872d9698de1fbddc00b5b8732875518300ab0b8fabb879a2b5399a9bf5a9224
  file_in_research_set: o2/raw/hhs_eha_arm.pdf
  stored_as: sources/hhs-eha-arm-2025-01-17.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Copy hosted by the House Oversight Committee (release dated 17 Jan 2025); hhs.gov refused this environment.
    tests:
    - Findings repeat facts from the 2024 suspension memorandum and the HHS-OIG audit [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Undated in the extracted text; date from the House release. Redacted copy. Not compared with an HHS-held file. The unaltered public document names private attorneys; they are not named in the dig.
    checked: '2026-10-05'
- id: src-hhs-eha-notice-2025
  title: HHS. Notice of Debarment, EcoHealth Alliance (Jan 2025; date per House Oversight release 17 Jan 2025)
  url: https://oversight.house.gov/wp-content/uploads/2025/01/Notice-_EHA_1.17.2025_Redacted.pdf
  document_class: primary_text (official administrative record)
  read: full
  sha256: e45398b3c0d731178b543b7a11a1d30e0cd0f74516ea9370d070843e829d4072
  file_in_research_set: o2/raw/hhs_eha_notice.pdf
  stored_as: sources/hhs-eha-notice-2025-01-17.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Copy hosted by the House Oversight Committee (release dated 17 Jan 2025).
    tests:
    - Debarment term and "ineligible through May 14, 2029" are consistent with the 15 May 2024 suspension date [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Undated in the extracted text; date from the House release. Not compared with an HHS-held file. The unaltered public document names private attorneys; they are not named in the dig.
    checked: '2026-10-05'
- id: src-hhs-daszak-notice-2025
  title: HHS. Notice of Debarment, Dr Peter Daszak (Jan 2025; date per House Oversight release 17 Jan 2025)
  url: https://oversight.house.gov/wp-content/uploads/2025/01/Dr.-Peter-Daszak-HHS-Notice_Jan-17-2025_Redacted.pdf
  document_class: primary_text (official administrative record)
  read: full
  sha256: 847d2ecf9540fc61eba3700cadec6b3c5b31bfbcb541490710d880285c0ef399
  file_in_research_set: o2/raw/hhs_daszak_notice.pdf
  stored_as: sources/hhs-daszak-notice-2025-01-17.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Copy hosted by the House Oversight Committee (release dated 17 Jan 2025).
    tests:
    - Debarment term and "ineligible through May 20, 2029" are consistent with the 21 May 2024 suspension date [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Undated in the extracted text; date from the House release. Not compared with an HHS-held file. The unaltered public document names private attorneys; they are not named in the dig.
    checked: '2026-10-05'
- id: src-state-joint-statement-2021
  title: Joint Statement on the WHO-Convened COVID-19 Origins Study, US Department of State media note, 30 March 2021 (Wayback snapshot 20210401002824)
  url: https://web.archive.org/web/20210401000000/https://www.state.gov/joint-statement-on-the-who-convened-covid-19-origins-study/
  document_class: primary_text (joint government statement)
  read: full
  sha256: e84ff1628d7fe869be9cf52a513e4593e5a52e3eaed13594410c3ce9a92f0783
  file_in_research_set: o4/src/JOINTSTMT_StateDept_wayback.html
  stored_as: sources/state-dept-joint-statement-2021-03-30.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Wayback snapshot of the State Department media note; Canada and Japan copies carry the same text.
    tests:
    - Snapshots of Canada and Japan versions agree with the State text [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - 'Date differs across versions: 30 March (State, Canada) and 31 March 2021 (Japan MOFA).'
    checked: '2026-10-05'
- id: src-who-china-2021
  title: 'WHO-convened Global Study of Origins of SARS-CoV-2: China Part. Joint WHO-China Study, 14 January-10 February 2021. Joint Report (120 pages; main report, annexes not opened; page dated 30 Mar 2021, updated 6 Apr 2021)'
  url: 'https://www.who.int/docs/default-source/coronaviruse/final-joint-report_origins-studies-6-april-201.pdf?sfvrsn=4f5e5196_1&download=true (publication page: https://www.who.int/publications/i/item/who-convened-global-study-of-origins-of-sars-cov-2-china-part)'
  document_class: primary_text (joint report)
  read: full (main report text). A second, different PDF exists under another WHO URL (see the header note of this manifest) and was not compared.
  sha256: e1ca927a2e3c373445022370e96264cb0febbfd3539ad72da2bc244230ba93a9
  file_in_research_set: o4/src/WHO_joint_report_6Apr2021.pdf
  publication:
    status: corrected
    checked: '2026-10-05'
    date: '2021-04-06'
    notice: 'WHO publication page: "This report was updated on 6 April 2021 to remove a working note that was inadvertently included on page 13, and to correct the spelling of a name in the acknowledgements section."'
    reason: Minor edit stated by WHO; the removed working note was not seen.
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO publication host; the WHO page states the report was updated on 6 April 2021 to remove a working note and fix a name.
    tests:
    - Official host and title [read]
    - Figures (174 cases, 55.4%, 44.6%) match the quotation of the same report in Worobey et al. (src-worobey-2022) [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Two different PDFs exist under WHO URLs (both 120 pages; different file sizes and creation dates); they were not text-compared. The 6 April file was read. Annexes (including Annex E4 case data) not opened.
    checked: '2026-10-05'
- id: src-who-dg-remarks-2021
  title: WHO Director-General. Remarks at the Member State briefing on the report of the international team studying the origins of SARS-CoV-2, 30 March 2021
  url: https://www.who.int/news-room/speeches/item/who-director-general-s-remarks-at-the-member-state-briefing-on-the-report-of-the-international-team-studying-the-origins-of-sars-cov-2
  document_class: primary_text (official remarks)
  read: full
  sha256: f293481d612b0048a48f10fe5fca7f3e2363c7cd417d7e96c7024a0c2180e427
  file_in_research_set: o3/raw/who_dg_30mar2021_remarks.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO speeches host.
    tests:
    - Official host and date [read]
    - Quoted sentences also found in the WHO news release of the same date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-sago-2025
  title: WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO). Independent assessment of the origins of SARS-CoV-2 (78 pages; cover date 27 June 2025)
  url: https://cdn.who.int/media/docs/default-source/documents/epp/sago/independent-assessment-of-the-origins-of-sars-cov-2-by-sago.pdf?sfvrsn=b0f90ad4_4 (a second download with sfvrsn=b0f90ad4_6 was used by another stream; text compared only by quotation)
  document_class: primary_text (advisory-group report; adoption)
  read: full for the conclusions and the sections on government reports (pp. 38-52); not every section was read line by line
  sha256: 2adb7806dffff08be58e200b1480936ad2e11de40555d68daf8703136d06a75f
  file_in_research_set: o3/raw/who_sago_2025.pdf
  authenticity:
    status: authenticated
    strength: strong
    provenance: WHO host (cdn.who.int); WHO news release of 27 Jun 2025 announces the same report.
    tests:
    - Official host [read]
    - The conclusion sentences quoted in the dig also appear in the WHO news release and the Director-General remarks of 27 Jun 2025 [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Another reader found internal inconsistencies (BANAL-52 collection year 2018 in one place and 2020 in another; the "ID4991" chronology not present in the Nature addendum it cites). Those passages are not relied on.
    checked: '2026-10-05'
- id: src-sago-news-2025
  title: WHO. WHO Scientific Advisory Group issues report on origins of COVID-19, news release, 27 June 2025
  url: https://www.who.int/news/item/27-06-2025-who-scientific-advisory-group-issues-report-on-origins-of-covid-19
  document_class: primary_text (official news release)
  read: full
  sha256: b0b9c90266ab687304bd44b149dcce6faec888b117747b4c3718145abe7bbc0d
  file_in_research_set: o4/src/WHO_SAGO_news_27Jun2025.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO news host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-sago-statement-2023
  title: WHO. SAGO statement on newly released SARS-CoV-2 metagenomics data from China CDC on GISAID, 18 March 2023
  url: https://www.who.int/news/item/18-03-2023-sago-statement-on-newly-released-sars-cov-2-metagenomics-data-from-china-cdc-on-gisaid
  document_class: primary_text (official statement)
  read: full
  sha256: 8e821c77c1e514f2a8cb02154c8d4c75fb0490418dea8cf64d8dbd5b3bb25361
  file_in_research_set: o4/src/WHO_SAGO_18Mar2023.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO news host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-dg-2020-pandemic
  title: WHO Director-General. Opening remarks at the media briefing on COVID-19, 11 March 2020
  url: https://www.who.int/news-room/speeches/item/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020
  document_class: primary_text (official remarks)
  read: full
  sha256: 899e76b7f3061b975fa754486916e841b1bc4897dc96ae5a63d459912de604be
  file_in_research_set: o4/src/WHO_DG_11Mar2020b.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO speeches host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-pheic-2020
  title: WHO. Statement on the second meeting of the IHR Emergency Committee regarding the outbreak of novel coronavirus (2019-nCoV), 30 January 2020
  url: https://www.who.int/news/item/30-01-2020-statement-on-the-second-meeting-of-the-international-health-regulations-(2005)-emergency-committee-regarding-the-outbreak-of-novel-coronavirus-(2019-ncov)
  document_class: primary_text (official statement)
  read: full
  sha256: 9f72a8209e5ad7142ac2aad0f29ba7105819d3606799e394f1060e749eb94681
  file_in_research_set: o4/src/WHO_PHEIC_30Jan2020.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO news host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-stmt-2020-01-09
  title: WHO. Statement regarding cluster of pneumonia cases in Wuhan, China, 9 January 2020
  url: https://www.who.int/china/news/detail/09-01-2020-who-statement-regarding-cluster-of-pneumonia-cases-in-wuhan-china
  document_class: primary_text (official statement)
  read: full
  sha256: 1c2bd250d59cf9d74ce1083851934a8fd0302d66f56a73b64c328d3e2dbc07be
  file_in_research_set: o4/src/WHO_stmt_9Jan2020.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-thailand-2020
  title: WHO. Statement on novel coronavirus in Thailand (URL slug dated 12 January 2020; page title and canonical link 13 January 2020)
  url: 'https://www.who.int/news/item/12-01-2020-who-statement-on-novel-coronavirus-in-thailand (canonical: https://www.who.int/news/item/13-01-2020-who-statement-on-novel-coronavirus-in-thailand)'
  document_class: primary_text (official statement)
  read: full
  sha256: 1ed98ae4183b5c5a301a3e9f4eb99c01940a95ef2d221e7fb98d38dc08e48649
  file_in_research_set: o4/src/WHO_Thailand_13Jan2020_urldated12.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The slug says 12 January and the page says 13 January; the dispute is shown on the timeline.
    checked: '2026-10-05'
- id: src-who-don-2020-01-05
  title: 'WHO. Disease Outbreak News: Pneumonia of unknown cause - China, 5 January 2020'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2020-DON229
  document_class: primary_text (official notice)
  read: full
  sha256: 6a2076adc7fa51c95ede04ffa8686de45ee44fe3cd59231ec35529d50565f500
  file_in_research_set: o4/src/WHO_DON229.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-don-2020-01-12
  title: 'WHO. Disease Outbreak News: Novel Coronavirus - China, 12 January 2020'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2020-DON233
  document_class: primary_text (official notice)
  read: full
  sha256: 79cac48a2235b1971141288bf1a570752f5307059c62b0ff7975b30171d0ca11
  file_in_research_set: o4/src/WHO_DON_12Jan2020_2020-DON233.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-china-mission-2020
  title: Report of the WHO-China Joint Mission on Coronavirus Disease 2019 (COVID-19), 16-24 February 2020
  url: https://www.who.int/docs/default-source/coronaviruse/who-china-joint-mission-on-covid-19-final-report.pdf
  document_class: primary_text (joint report)
  read: partial (searched and read for the sentence on bats and the intermediate host)
  sha256: b17766a85d47888878c0c2e8486dc4343980449f49e0a1a581bde532093f6750
  file_in_research_set: o4/src/WHO_China_joint_mission_Feb2020.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and title [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Read for one passage only.
    checked: '2026-10-05'
- id: src-who-don-2003-02-11
  title: 'WHO. Disease Outbreak News: Acute respiratory syndrome in China, 11 February 2003'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2003_02_11-en
  document_class: primary_text (official notice)
  read: full
  sha256: 1dc5caeb43c1ee00c0b2a8ea55ff0c56b2239dfce81b53771abc50c4c8d28191
  file_in_research_set: o4/src/WHO_DON_2003_02_11.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-sars-alert-2003
  title: WHO. WHO issues a global alert about cases of atypical pneumonia, 12 March 2003
  url: https://www.who.int/news/item/12-03-2003-who-issues-a-global-alert-about-cases-of-atypical-pneumonia
  document_class: primary_text (official notice)
  read: full
  sha256: d51a86642f6b411b45631a0c80fa6bb43d6ceb636c3e99300e8a3886e2c4a13e
  file_in_research_set: o4/src/WHO_SARS_12Mar2003.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-sars-contained-2003
  title: WHO. SARS outbreak contained worldwide, 5 July 2003
  url: https://www.who.int/news/item/05-07-2003-sars-outbreak-contained-worldwide
  document_class: primary_text (official notice)
  read: full
  sha256: 4e1ca7cb0c973073639a151a11ec325ca66ae7e80cdce43dad78dfd3c3daf154
  file_in_research_set: o4/src/WHO_SARS_5Jul2003.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-who-sars-mission-2003
  title: WHO. Joint mission on SARS animal reservoir and necessary next steps, 21 August 2003
  url: https://www.who.int/news/item/21-08-2003-joint-mission-on-sars-animal-reservoir-and-necessary-next-steps
  document_class: primary_text (official notice)
  read: full
  sha256: 47c4509d1608078009adaae84eef49e129e06263838dbb7e196a01f7bc8998a9
  file_in_research_set: o4/src/WHO_SARS_21Aug2003.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-cdc-mmwr-sars-2003
  title: 'CDC. MMWR 52(12): Update, severe acute respiratory syndrome (March 2003; issue date not read; states 31 deaths in Guangdong during November 16, 2002 to February 28, 2003)'
  url: https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5212a1.htm
  document_class: primary_text (official bulletin)
  read: partial (the sentence on Guangdong onset dates read)
  sha256: 340e9027d52d5aa33d403b3dfc7a9a4b4883d84ed7c7f2c0b29ac92aaedf32cd
  file_in_research_set: o4/src/CDC_MMWR_SARS_mm5212a1.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: CDC host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - MMWR issue date was not read; the document is from March 2003 per its volume and issue.
    checked: '2026-10-05'
- id: src-epmc-sars-abstracts
  title: Europe PMC records (abstracts) for Peiris et al. Lancet 2003, Drosten et al. NEJM 2003, Guan et al. Science 2003 and Li et al. Science 2005 (SARS coronavirus and horseshoe bats), queried by DOI
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=DOI:%2210.1056/NEJMoa030747%22&format=json&resultType=core (one query per DOI)
  document_class: primary_text (journal records, abstracts only)
  read: abstract
  sha256: 879052f4a053a28d247ef35c0e86d7f5ff0d6fd4690d1122d8e3c6ca706f4423
  file_in_research_set: o4/src/EuropePMC_abstracts_SARS_bats.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Abstracts only.
    checked: '2026-10-05'
- id: src-lau-2005
  title: Lau SKP et al. Severe acute respiratory syndrome coronavirus-like virus in Chinese horseshoe bats. PNAS 2005 (print date 27 Sep 2005)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=1236580&rettype=xml
  document_class: primary_text (journal article)
  read: abstract text only
  sha256: a20cf5e766baf44d8c4532ffebaeeccf14966bba4101c3a7276eb590a440e6ed
  file_in_research_set: o4/src/PMC1236580_ncbi.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Only the abstract text was used.
    checked: '2026-10-05'
- id: src-worobey-2022
  title: Worobey M et al. The Huanan Seafood Wholesale Market in Wuhan was the early epicenter of the COVID-19 pandemic. Science 377(6609):951-959 (26 Jul 2022 online). DOI 10.1126/science.abp8715. PRE-erratum text
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC9348750/fullTextXML
  document_class: primary_text (journal article)
  read: full (main text, pre-erratum Europe PMC XML). Supplementary tables S1-S18 not read. The 2024 erratum was NOT read.
  sha256: acf97d477488d00198e6a2766b28d78a0feb6fee4a34f93f614e6e7b520397c7
  file_in_research_set: o1/src/PMC9348750.xml
  publication:
    status: corrected
    checked: '2026-10-05'
    date: '2024-03-14'
    notice: Erratum. Science 383(6688):eadp1133, 14 Mar 2024 (PubMed 38484083; Crossref update type "correction"). The PMC page carries "This article has been corrected."
    reason: Content of the erratum not read; check before quoting figures.
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - 'The Science erratum (383(6688):eadp1133, 14 Mar 2024) was not read: science.org returned 403 and Europe PMC suppresses the erratum full text. Figures may differ in the corrected version.'
    checked: '2026-10-05'
- id: src-pekar-2022
  title: Pekar JE et al. The molecular epidemiology of multiple zoonotic origins of SARS-CoV-2. Science 377(6609):960-966 (26 Jul 2022 online). DOI 10.1126/science.abp8337. PRE-erratum text
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC9348752/fullTextXML
  document_class: primary_text (journal article)
  read: full (main text, pre-erratum Europe PMC XML). Supplement not read. The 2023 erratum was NOT read.
  sha256: 3cc59311af7e94b6cb6198c0905cefdafaef5d4be5c748d90763f3a65db24b85
  file_in_research_set: o1/src/PMC9348752.xml
  publication:
    status: corrected
    checked: '2026-10-05'
    date: '2023-10-13'
    notice: Erratum. Science 382(6667):eadl0585, 13 Oct 2023 (PubMed 37824677; Crossref "correction").
    reason: Erratum text not read. Two critics (McCowan; Weissman) say it corrected three coding errors and reduced the Bayes factor for two introductions from about 60 to about 4 (4 and 4.3 respectively).
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - The Science erratum (382(6667):eadl0585, 13 Oct 2023) was not read; what it changed is known only from two critics (src-mccowan-2025, src-weissman-ejw-2026).
    checked: '2026-10-05'
- id: src-worobey-erratum-record
  title: 'PubMed record 38484083: Erratum for Worobey et al., Science 383(6688):eadp1133 (14 Mar 2024)'
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=38484083&retmode=xml
  document_class: primary_text (journal record only)
  read: abstract (metadata only; the erratum text was not available)
  sha256: 91b597bc476e86f2f94f5c69d6eff893751242580444fd5b4ae62aa38cb8d04e
  file_in_research_set: o1/src/pm38484083.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Metadata only.
    checked: '2026-10-05'
- id: src-pekar-erratum-record
  title: 'PubMed record 37824677: Erratum for Pekar et al., Science 382(6667):eadl0585 (13 Oct 2023)'
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=37824677&retmode=xml
  document_class: primary_text (journal record only)
  read: abstract (metadata only; the erratum text was not available)
  sha256: 03b915be2b8d80ac0f5984766ee435b7ca3e5d9b5af800419bb866e2efa2b2d4
  file_in_research_set: o1/src/pm37824677.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Metadata only.
    checked: '2026-10-05'
- id: src-liu-2023
  title: Liu WJ et al. (China CDC). Surveillance of SARS-CoV-2 at the Huanan Seafood Market. Nature 631:402-408 (accelerated preview 5 Apr 2023; version of record 12 Jun 2024). DOI 10.1038/s41586-023-06043-2
  url: https://www.nature.com/articles/s41586-023-06043-2
  document_class: primary_text (journal article)
  read: full (publisher HTML)
  sha256: f1a15dac76b47b6eab374bb1feb463c71b922880a93ccebeae7ecd30f82267a1
  file_in_research_set: o1/src/liu_nature.html
  publication:
    status: corrected
    checked: '2026-10-05'
    date: '2024-06-12'
    notice: 'Note added in proof inside the article: the accelerated preview reported 73 of 923 samples positive by RT-PCR; the final count is 70 by RT-PCR plus 4 by sequencing (74).'
    reason: Stated in the article itself. No separate correction, retraction or expression of concern in PubMed or Crossref metadata. The WHO-China report (2021) still carries 73.
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Publisher page (nature.com) matching DOI, journal and authors; PubMed record 37019149 agrees.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Authors state the RT-qPCR assay was not formally verified and that sampling was biased toward wildlife shops and early-case shops.
    checked: '2026-10-05'
- id: src-crits-christoph-2024
  title: Crits-Christoph A et al. Genetic tracing of market wildlife and viruses at the epicenter of the COVID-19 pandemic. Cell 187(19):5468-5482.e11 (2024). DOI 10.1016/j.cell.2024.08.010. NIH author manuscript
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=PMC11427129&retmode=xml
  document_class: primary_text (journal article, author manuscript)
  read: full (NIH author manuscript; the publisher version was not read, cell.com refused)
  sha256: 5570c6b54c99d4002654c4ec8112d9d6d8273677adfd28494d5a403860b7bd1c
  file_in_research_set: o1/src/PMC11427129_efetch.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Author manuscript, not the publisher version of record; wording could differ.
    checked: '2026-10-05'
- id: src-bloom-2023
  title: Bloom JD. Association between SARS-CoV-2 and metagenomic content of samples from the Huanan Seafood Market. Virus Evolution 9(2):vead050 (24 Aug 2023). DOI 10.1093/ve/vead050
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC11314060/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: 1528dde4ee79b30952c56b2d7cf07f729fc76de0fc7036b5638e951df9f7760e
  file_in_research_set: o1/src/PMC11314060.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-bloom-2021
  title: Bloom JD. Recovery of deleted deep sequencing data sheds more light on the early Wuhan SARS-CoV-2 epidemic. Mol Biol Evol 38(12):5211-5224 (2021). DOI 10.1093/molbev/msab246
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=8436388&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: 415b431258ec17aa73584cfbfac0c8439f813bfb1f66b79c383a5f09c71447ee
  file_in_research_set: o2/papers/Bloom2021_MBE_PMC8436388.xml
  publication:
    status: corrected
    checked: '2026-10-05'
    date: '2023'
    notice: 'Correction to: Recovery of deleted deep sequencing data... Mol Biol Evol, msad201 (PMID 37772800).'
    reason: Correction text is an image in the PMC record and was not read; figures from the paper are as originally published.
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - A 2023 correction exists (Mol Biol Evol msad201); it is an image in the PMC record and was not read.
    checked: '2026-10-05'
- id: src-bloom-2021-correction
  title: 'Correction to: Bloom JD (2021), Mol Biol Evol, msad201 (PMC10540883)'
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=10540883&retmode=xml
  document_class: primary_text (journal correction notice)
  read: not read (the text is an image in the record; only the metadata was read)
  sha256: dab7aa1d1173d30c6873f52ca9bef8fb38cfee15b426ed1b550eabf338f63ea4
  file_in_research_set: o2/papers/Bloom2023_Correction_PMC10540883.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Text not read.
    checked: '2026-10-05'
- id: src-stoyan-chiu-2023
  title: Stoyan D, Chiu SN. Statistical review of "The Huanan Seafood Wholesale Market in Wuhan was the early epicenter..." arXiv 2208.10106 v2 (22 Nov 2023); published as J R Stat Soc A 187(3):710-719 (2024), DOI 10.1093/jrsssa/qnad139
  url: https://arxiv.org/pdf/2208.10106
  document_class: primary_text (preprint of a published critique)
  read: full (arXiv v2); the published JRSSA version was NOT read (academic.oup.com refused)
  sha256: 0bfa8c7aa76ca628a1667f7d5ea2bd9d5fe945c39e9ede32c608b5aa98d9ca83
  file_in_research_set: o1/src/arxiv_2208.10106.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: arXiv record; the published version is listed in Crossref (DOI 10.1093/jrsssa/qnad139) with an abstract that matches the preprint abstract.
    tests:
    - Crossref abstract of the published version matches the arXiv v2 conclusions [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Published version not read; wording may differ from the preprint.
    checked: '2026-10-05'
- id: src-weissman-2024
  title: Weissman MB. Letter on the Worobey et al. spatial analysis. arXiv 2401.08680 v5 (20 May 2024), including an addendum not in the published letter; published as J R Stat Soc A 187(3):720-722 (2024), DOI 10.1093/jrsssa/qnae021
  url: https://arxiv.org/pdf/2401.08680
  document_class: primary_text (preprint of a published critique)
  read: full (arXiv v5); the published JRSSA letter was NOT read
  sha256: 96235ca22f6132b11195da051a1ab8f25d9a82d71971a863cb071f2e673fab66
  file_in_research_set: o1/src/arxiv_2401.08680.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: arXiv record; the published letter is listed in Crossref with an abstract that matches the preprint.
    tests:
    - Crossref abstract of the published letter matches the arXiv text [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Published letter not read; v5 has an addendum the published letter lacks.
    checked: '2026-10-05'
- id: src-debarre-worobey-2024
  title: Debarre F, Worobey M. Reply to Weissman. arXiv 2405.08040 v1 (13 May 2024)
  url: https://arxiv.org/html/2405.08040v1
  document_class: primary_text (preprint, authors' reply)
  read: full
  sha256: 1b3b23fa570d1cb4fc7833f76116ed409ef824d40b543b9756bf2358a9ae259f
  file_in_research_set: o1/src/arxiv_2405.08040v1.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: arXiv record by the authors criticised.
    tests:
    - arXiv record and authors match those named in the dig [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Whether it was published in a journal was not verified.
    checked: '2026-10-05'
- id: src-mccowan-2025
  title: McCowan. Critique of the Pekar et al. Bayes factor. arXiv 2502.20076 v3 (4 Apr 2026)
  url: https://arxiv.org/html/2502.20076
  document_class: primary_text (preprint; critic; secondary for the erratum)
  read: full (arXiv v3). It describes the 2023 erratum; it is a critic, not the erratum.
  sha256: a2ac86f3d3bf8daedacc57cf1c446c3844f6690c8d07087cf9bf8a54490d6e1b
  file_in_research_set: o1/src/arxiv_2502.20076.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: arXiv record.
    tests:
    - arXiv record and version date match [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A preprint by a critic. No reply by the Pekar authors was found (search not exhaustive).
    checked: '2026-10-05'
- id: src-weissman-ejw-2026
  title: Weissman MB. Economic Journal Watch 23(1):46-68 (March 2026) on the Pekar et al. analysis
  url: https://econjwatch.org/file_download/1405/WeissmanMarch2026.pdf?mimetype=pdf
  document_class: primary_text (journal article; critic; secondary for the erratum)
  read: full
  sha256: 67354e866d7260a5a2dbb3b3ea29c505751351930cb5ed27c1faab70dcdd6e1d
  file_in_research_set: o1/src/weissman_ejw2026.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Journal host (econjwatch.org).
    tests:
    - Journal host, volume and date match the citation [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A critic; the erratum itself was not read. Reports a Bayes factor of about 4.3 where McCowan reports 4.
    checked: '2026-10-05'
- id: src-andersen-2020
  title: Andersen KG, Rambaut A, Lipkin WI, Holmes EC, Garry RF. The proximal origin of SARS-CoV-2. Nature Medicine 26(4):450-452 (17 Mar 2020). DOI 10.1038/s41591-020-0820-9
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7095063/fullTextXML
  document_class: primary_text (journal correspondence)
  read: full
  sha256: a899ea0d03d01aef85c1c4d60cd8b76b05e8bbadb5b241d4f042ba898ca005b1
  file_in_research_set: o1/src/PMC7095063.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - No correction, retraction or expression of concern found in PubMed or Crossref metadata (absence in those sources only).
    checked: '2026-10-05'
- id: src-virological-398
  title: Virological.org thread "The proximal origin of SARS-CoV-2" (post timestamp 2020-02-16T23:46:02Z; the text says it has now been published)
  url: https://virological.org/t/the-proximal-origin-of-sars-cov-2/398.json
  document_class: primary_text (preprint post)
  read: full
  sha256: b13096aa7bd6e85594e7f9683b1bc95479a6945168ea89f480633903bc2025e9
  file_in_research_set: o4/src/virological_398.json
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Site JSON API, post and timestamps.
    tests:
    - Post text links the published Nature Medicine DOI [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The 16 Feb timestamp predates the published version the post mentions; the post may have been edited.
    checked: '2026-10-05'
- id: src-virological-319
  title: Virological.org thread "Novel 2019 coronavirus genome" (text dated 10 January 2020; post created 2020-01-11T01:05:33Z)
  url: https://virological.org/t/novel-2019-coronavirus-genome/319.json
  document_class: primary_text (genome release post)
  read: full
  sha256: 72143afb4e2cdddf1800aad060e6ee4cc0753e3549a1c5b593ed61c0a5467037
  file_in_research_set: o4/src/virological_319.json
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Site JSON API.
    tests:
    - Post text names GenBank MN908947 [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Text date 10 Jan and timestamp 11 Jan differ (time zone not established).
    checked: '2026-10-05'
- id: src-andersen-testimony-2023
  title: Dr Kristian Andersen, written testimony to the House Select Subcommittee on the Coronavirus Pandemic (corrected version; hearing of 11 July 2023)
  url: https://oversight.house.gov/wp-content/uploads/2023/07/Dr.-Kristian-Andersen-Written-Testimony-Corrected-Version-1.pdf
  document_class: primary_text (sworn testimony text; witness's own account)
  read: full text; embedded images of emails (8 and 12 Feb 2020) not extracted
  sha256: bf6970be7189270a11e7071bb7229b610ad7b07aba14ed93491970d71d24357b
  file_in_research_set: o1/src/andersen_written_testimony_2023.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: House Oversight host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The witness's own account of his messages; email images not read.
    checked: '2026-10-05'
- id: src-house-proximal-hearing-2023
  title: House Select Subcommittee on the Coronavirus Pandemic, hearing transcript, 11 July 2023 (Proximal Origin)
  url: https://docs.house.gov/meetings/VC/VC00/20230711/116185/HHRG-118-VC00-Transcript-20230711.pdf
  document_class: primary_text (hearing transcript)
  read: full text; searched and read for the quoted exchanges
  sha256: c454802b2e60b1b2dcfcea1b67f096b66f9bf6084f0b634b7b4e1f516ffd3785
  file_in_research_set: o1/src/house_proximal_hearing_transcript.pdf
  authenticity:
    status: authenticated
    strength: strong
    provenance: docs.house.gov, the House's own document host.
    tests:
    - Official host and event id [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Members' quotations of the early-2020 messages were not compared with the original messages.
    checked: '2026-10-05'
- id: src-hsgac-slack-2026
  title: Senate HSGAC (Chairman Rand Paul) release of Slack messages among Proximal Origin authors, volume 1 (Bates SLACK_000249 and SLACK_001213 onward); volume 2 file hsgac_slack-drop-pm.pdf (about 62,000 text lines, 2020-04 to 2022-06) was searched, not read in full. Release page dated 22 July 2026
  url: 'https://www.hsgac.senate.gov/wp-content/uploads/slack-drop-AM.pdf (volume 2: https://www.hsgac.senate.gov/wp-content/uploads/slack-drop-pm.pdf; release page: https://www.hsgac.senate.gov/media/reps/new-doc-drop-slack-messages-reveal-proximal-origin-authors-privately-doubted-the-science-behind-their-own-paper-coordinated-with-intelligence-community-and-nih/)'
  document_class: primary_text (released messages; chairman-selected)
  read: 'partial: the messages quoted in the dig were read; volume 2 searched by keyword only'
  sha256: d19363233e3659550dd2037f5b86e48ce0e86b7d5047a28fece6f0a986edeb48
  file_in_research_set: o1/src/hsgac_slack-drop-AM.pdf
  authenticity:
    status: unchecked
    provenance: Released by a committee chairman's office; selection and completeness unknown. No capture by a party independent of the releasing office.
    gaps:
    - No independent capture or platform record.
    - The earliest message in these files is April 2020, so the January-February 2020 drafting period is not covered.
    - The press release framing is partisan and is not relied on.
    next_step: Compare with the originals in the House Select Subcommittee release or in litigation records, or with the authors' own copies.
    checked: '2026-10-05'
- id: src-huang-2020
  title: Huang C et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. Lancet 395(10223):497-506 (24 Jan 2020). DOI 10.1016/s0140-6736(20)30183-5
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7159299/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: a9312bac9d699021879a9d169c91fceddece0ebbdc823fe671503889da5449bf
  file_in_research_set: o1/src/PMC7159299.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - The paper gives 30 Dec in Results and 31 Dec in Methods for the epidemiological alert (internal inconsistency).
    checked: '2026-10-05'
- id: src-chen-2020
  title: Chen N et al. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China. Lancet 395(10223):507-513 (30 Jan 2020). DOI 10.1016/s0140-6736(20)30211-7
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7135076/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: e6c26dc1e603116d401279e1ad5801d7dae1484281d12df74beff31f692415c0
  file_in_research_set: o1/src/PMC7135076.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-li-2020
  title: Li Q et al. Early transmission dynamics in Wuhan, China, of novel coronavirus-infected pneumonia. N Engl J Med 382:1199-1207 (2020). DOI 10.1056/nejmoa2001316
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7121484/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: 1712c1aec45306fd0062696d8c5c6ccf2a31b41e73be40d6b5c4932a80f9043c
  file_in_research_set: o1/src/PMC7121484.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-wu-2020
  title: Wu F et al. A new coronavirus associated with human respiratory disease in China. Nature (3 Feb 2020)
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7094943/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: b944128b4b49178824b25f484a99dc2957007100a56190fd5f2e030ee1942469
  file_in_research_set: o4/src/PMC7094943.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-zhou-2020-ratg13
  title: Zhou P et al. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature (3 Feb 2020; received 20 Jan, accepted 29 Jan 2020). DOI 10.1038/s41586-020-2012-7
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC7095418/fullTextXML
  document_class: primary_text (journal article)
  read: full
  sha256: b82a679b0dbce6b4861c0ffb55370fe40428f9fe17948a21cb92f0ed246ea667
  file_in_research_set: o2/papers/Zhou2020_Nature_RaTG13_PMC7095418.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - The text gives no collection year for RaTG13.
    checked: '2026-10-05'
- id: src-zhou-2020-addendum
  title: 'Zhou P et al. Addendum: A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature (17 Nov 2020)'
  url: 'https://www.nature.com/articles/s41586-020-2951-z (text read via Europe PMC/NCBI: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=9744119&retmode=xml)'
  document_class: primary_text (journal addendum)
  read: full
  sha256: 265530413cc1a42bf47c9a3bda0cee4e6f20d3386199efbebd47641bd73fb59f
  file_in_research_set: o2/papers/Zhou2020_Addendum_PMC9744119.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - The addendum text does not mention "4991", "2013" or a link between the 2012 miners' sera and the RaTG13 sample.
    checked: '2026-10-05'
- id: src-temmam-2022
  title: Temmam S et al. Bats from Laos harbour SARS-CoV-2-related viruses with receptor-binding domains close to SARS-CoV-2. Nature (16 Feb 2022). DOI 10.1038/s41586-022-04532-4
  url: https://www.nature.com/articles/s41586-022-04532-4
  document_class: primary_text (journal article)
  read: full (publisher HTML)
  sha256: e1be2417dce1e6a024730b38e428a0156163e11bb01638065a05e0e0902b319e
  file_in_research_set: o2/papers/Temmam2022_Nature_BANAL.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Publisher page matching DOI, journal and authors.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Publisher HTML; sampling July 2020 to January 2021 per the paper. The 96.1% RaTG13 figure differs from the 96.2% in Zhou 2020 (not recomputed).
    checked: '2026-10-05'
- id: src-genbank-ratg13
  title: 'GenBank MN996532.1 (and .2): Bat coronavirus RaTG13, complete genome; submitted 27 Jan 2020 by WIV; collection_date 24-Jul-2013; version 2 replaced version 1'
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=nuccore&id=MN996532.1&rettype=gb&retmode=text
  document_class: primary_text (sequence database record)
  read: full (record)
  sha256: 33f52d37cf7504bc3b95663822cb1f3bb67fbbb2f62bc221311cb73682990224
  file_in_research_set: o4/src/MN996532.1.gb
  authenticity:
    status: authenticated
    strength: moderate
    provenance: NCBI GenBank record from the NCBI efetch service.
    tests:
    - Accession, submitter and dates are internally consistent across versions .1 and .2 [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Collection date is the submitter's entry; not independently checked.
    checked: '2026-10-05'
- id: src-genbank-wh1
  title: 'GenBank MN908947.1 (.2 and .3 also read): Wuhan-Hu-1; submitted 05-JAN-2020; LOCUS dates 12-JAN-2020 (v1), 14-JAN-2020 (v2), 18-MAR-2020 (v3)'
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=nuccore&id=MN908947.1&rettype=gb&retmode=text
  document_class: primary_text (sequence database record)
  read: full (record versions 1, 2 and 3)
  sha256: dd32bc27ad125d02529c82faf4ece0c6840d75ba92ed65388a3fb922a2d8f013
  file_in_research_set: o4/src/MN908947.1.gb
  authenticity:
    status: authenticated
    strength: moderate
    provenance: NCBI GenBank records from the NCBI efetch service.
    tests:
    - Version history and submitter changes are internally consistent [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - The submission date is the submitter's entry.
    checked: '2026-10-05'
- id: src-whc-notice-2019-12-31
  title: Wuhan Municipal Health Commission notice on pneumonia cases (page timestamp 2019-12-31 13:38:05; Wayback snapshot of 6 Jan 2020; Chinese original)
  url: https://web.archive.org/web/20200101000000/http://wjw.wuhan.gov.cn/front/web/showDetail/2019123108989
  document_class: primary_text (official local notice, Chinese)
  read: full (Chinese original; glosses are the notes' own)
  sha256: 29e62d1be822615f2de209286e3e87e5bd49c7cde8b7392a395c5a18534e1f71
  file_in_research_set: o4/src/WHC_notice_31Dec2019_wayback.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Wayback snapshot of the Wuhan health commission page.
    tests:
    - Page timestamp read in the snapshot [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Not compared with a copy held by the health commission; the 30 Dec 2019 urgent notice was not read.
    checked: '2026-10-05'
- id: src-defuse
  title: 'EcoHealth Alliance. Project DEFUSE: Defusing the Threat of Bat-borne Coronaviruses (proposal to DARPA PREEMPT HR001118S0017; cover letter 24 Mar 2018; form field "3/27/18"; total requested USD 14,209,245). Internet Archive OCR copy of a file posted by DRASTIC in Sept 2021 (IA item publicdate 2021-09-26)'
  url: 'https://archive.org/download/project-defuse-defusing-the-threat-of-bat-borne-coronaviruses/main-document-preempt-volume-1-no-ess-hr00118s0017-ecohealth-alliance_djvu.txt (PDF text copy: https://ia801402.us.archive.org/34/items/main-document-preempt-volume-1-no-ess-hr00118s0017-ecohealth-alliance/main-document-preempt-volume-1-no-ess-hr00118s0017-ecohealth-alliance_text.pdf)'
  document_class: primary_text (grant proposal, third-party copy)
  read: full for the passages quoted (searched the OCR text; the furin passage was checked in three OCR copies); OCR errors present
  sha256: 187fb4415399a735550d12603965319b9a2e4939764f6c50e666c86b7b74f7d1
  file_in_research_set: o2/raw/defuse_ia_main_djvu.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Third-party copy on the Internet Archive of a file first posted by a volunteer group (DRASTIC) in Sept 2021; not a DARPA or EcoHealth file.
    tests:
    - The furin-site sentence is identical in the OCR text, a second OCR copy (watermarked, redacted) and the House Select Subcommittee final report p.113, which quotes it [read]
    - Partners, budget total and dates match the House report's description of the proposal [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Not compared with a DARPA-held or EcoHealth-held file.
    - OCR text, not the PDF image; a separate OCR entry is the same file here.
    next_step: Compare with the DARPA or EcoHealth holder copy if released.
    checked: '2026-10-05'
- id: src-defuse-drafts
  title: USGS FOIA release 2021-006245, "EcoHealth DEFUSE Proposal drafts" (1,412 pages; Internet Archive upload of Jan 2024 with the uploader's statement that the document was not vetted; OCR text of 72,293 lines)
  url: 'https://archive.org/download/2021-006245-combined-records-redacted/2021-006245%20-%20Combined%20Records_Redacted_djvu.txt (metadata: https://archive.org/metadata/2021-006245-combined-records-redacted)'
  document_class: primary_text (FOIA-released drafts and emails; unvetted)
  read: 'partial: searched by keyword and the quoted passages read in context; not read in full'
  sha256: 239bae43f49ee3cf146bbb9b618686335e9b84912c2b13d42ebcd9558f6bab77
  file_in_research_set: o2/raw/usgs_drafts_djvu.txt
  authenticity:
    status: unchecked
    provenance: Obtained by an X user through FOIA and given to a journalist (per the uploader's description); posted on the Internet Archive. No capture by a party independent of the uploader was compared.
    gaps:
    - OCR text only.
    - Draft comment tags such as [BRS17] are initials; the identity of the commenter is inferred, not stated.
    - The uploader states the file was not vetted.
    next_step: Compare with USGS's own FOIA release or the first 235 pages posted by the news organisation that received them.
    checked: '2026-10-05'
- id: src-baric-ti-2026
  title: 'Senate HSGAC (Chairman Paul): transcribed interview of Dr Ralph Baric, 10 April 2026 (released July 2026; cover page "Key Findings" is written by the committee majority and is not used)'
  url: https://www.paul.senate.gov/wp-content/uploads/2026/07/2026.07.23_UPDATED-FINAL-FINAL_BARIC-TI_Redacted.pdf
  document_class: primary_text (interview transcript; witness's own account)
  read: 'partial: pages on the furin cleavage site and BSL-2 read; not read in full'
  sha256: 1c92d71aa0ab489da09c84a5c31f8684d8d98c2b3610519e336bb5422e647214
  file_in_research_set: o2/raw/baric_TI.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Senate member website hosting the transcript.
    tests:
    - Transcript pagination and question-answer format internally consistent [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Witness's own account. The committee "Key Findings" cover page is a majority editorial and conflicts in wording with the transcript; the transcript is used.
    checked: '2026-10-05'
- id: src-johnson-letter-2022
  title: Sen. Ron Johnson letter to the Department of Defense, 11 January 2022 (OCR text), relaying a Marine Corps officer's disclosure
  url: https://archive.org/download/darpa-defuse-proposal-daszak-ecohealth/Ron_Johnson_Letter_01-11-22_djvu.txt
  document_class: primary_text (congressional letter; allegation)
  read: full
  sha256: 9139a9c064e20b5e8df4cb11ada2cd0eadb68d2bdf36203119891c046dea8466
  file_in_research_set: o2/raw/johnson_letter_djvu.txt
  authenticity:
    status: unchecked
    provenance: Internet Archive OCR copy of a letter; not compared with the Senate file.
    gaps:
    - The letter relays a disclosure ("the disclosure alleges"); nothing it alleges was verified.
    - OCR text.
    next_step: Obtain the DoD response, if any, and the underlying disclosure.
    checked: '2026-10-05'
- id: src-house-sscp-2024
  title: 'House Select Subcommittee on the Coronavirus Pandemic (majority). After Action Review of the COVID-19 Pandemic: The Lessons Learned and a Path Forward. Final Report, 4 December 2024 (520 numbered pages; 557 PDF pages)'
  url: https://www.govinfo.gov/content/pkg/GOVPUB-Y4_OV2-PURL-gpo236122/pdf/GOVPUB-Y4_OV2-PURL-gpo236122.pdf (also http://docs.house.gov/meetings/VC/VC00/20241204/117748/HRPT-118-SSCPReport.pdf)
  document_class: primary_text (committee majority report; adoption)
  read: 'partial: the origin findings (pp. 1-5), the DEFUSE section (pp. 108-119) and the passages on agency positions were read; the report was not read in full'
  sha256: 5f816e73a6f0f2f4678fe1854e1a9b62290a169d3882045a1e7a9318012a309f
  file_in_research_set: o2/raw/house_final_govinfo.pdf
  authenticity:
    status: authenticated
    strength: strong
    provenance: GPO govinfo and docs.house.gov, official hosts; two copies.
    tests:
    - Cover date, title and hearing notice agree across the two House sources [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A majority report; not an agency or court finding. Many origin points are sourced to opinion articles (see the dig's claims).
    checked: '2026-10-05'
- id: src-house-dem-2024
  title: House Select Subcommittee Democrats. Final report (3 December 2024)
  url: https://oversightdemocrats.house.gov/imo/media/doc/SSCP%20Democratic%20Final%20Report.pdf
  document_class: primary_text (minority report; adoption)
  read: 'partial: pp. 8-9 on origins and its footnotes read'
  sha256: c73150f9f955bb9601cc526314c22ecc921851e7d8bdffeee7145c6eef87efb2
  file_in_research_set: o2/raw/dem_final_report.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: House Oversight Democrats host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A minority staff product.
    checked: '2026-10-05'
- id: src-house-release-2025-eha
  title: 'House Oversight (majority) press release, "BREAKING: HHS formally debars EcoHealth Alliance, Dr. Peter Daszak" (17 January 2025)'
  url: https://oversight.house.gov/release/breaking-hhs-formally-debars-ecohealth-alliance-dr-peter-daszak-after-covid-select-reveals-pandemic-era-wrongdoing/
  document_class: primary_text (committee press release)
  read: full
  sha256: 2b7c8e763974d416a3da004b15c91e7a3c3850fcc40884ed5df71b36dbe15bda
  file_in_research_set: o2/raw/oversight_debar_release.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: House Oversight host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A partisan press release; used for the date of the HHS notices and for its own framing sentence, attributed.
    checked: '2026-10-05'
- id: src-senate-help-2022
  title: 'Senate HELP Committee Minority Oversight Staff. An Analysis of the Origins of the COVID-19 Pandemic: Interim Report (October 2022; 35 pages)'
  url: https://www.help.senate.gov/imo/media/doc/report_an_analysis_of_the_origins_of_covid-19_102722.pdf
  document_class: primary_text (minority staff report; adoption)
  read: 'partial: foreword, conclusions (pp. 4, 26), the sections on DEFUSE and the database (pp. 15-19) read'
  sha256: 6fff3a46d703ded81738b96f3cd061522f21a6273dfe586e5317efe344a48b05
  file_in_research_set: o2/raw/senate_help_2022.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Senate HELP Committee host.
    tests:
    - Official host and date in the file [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A minority staff interim report, no classified access claimed.
    checked: '2026-10-05'
- id: src-marshall-2023
  title: 'Sen. Roger Marshall (with former HELP minority staff). Muddy Waters: The Origins of COVID-19, Executive Summary (17 April 2023; 21 pages)'
  url: https://www.marshall.senate.gov/wp-content/uploads/MWG-EXECUTIVE-SUMMARY-4.17-Final-Version.pdf
  document_class: primary_text (senator's office report; adoption)
  read: full (executive summary only; the longer Source Reference Document was not opened)
  sha256: efc7133b78de4afd4b61a96fbbf9bb6536deb56bbbc25964ef6c13c4a5dba688
  file_in_research_set: o2/raw/muddy_waters_exec.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Senator's website.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - An office product, not a committee report.
    checked: '2026-10-05'
- id: src-asm-2022
  title: American Society for Microbiology. ASM responds to Senate HELP report on COVID origin (28 October 2022)
  url: https://asm.org/Press-Releases/2022/October/ASM-Responds-to-Senate-HELP-Report-on-COVID-Origin
  document_class: primary_text (society statement; adoption)
  read: full
  sha256: 07cb67a0f3804238dd631ec2672fe2a748db7fd44f9b28c47552d34345870c41
  file_in_research_set: o2/raw/asm_response_help.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Society website.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-china-whitepaper-2025
  title: 'State Council Information Office of the PRC. Covid-19 Prevention, Control and Origins Tracing: China''s Actions and Stance (white paper, April 2025; English text, six web pages combined)'
  url: http://english.scio.gov.cn/whitepapers/2025-04/30/content_117854036.html (pages _2 to _6 also read)
  document_class: primary_text (government white paper; adoption)
  read: full (English text)
  sha256: 8d746855d2ffec884cce94abd7a08a45b531412815df67d0978b42e5c85f5a33
  file_in_research_set: o3/raw/china_whitepaper.txt
  authenticity:
    status: authenticated
    strength: moderate
    provenance: SCIO English site.
    tests:
    - Official host and date (30 April 2025 page date) [read]
    - The NHC news report of the release (src-nhc-whitepaper-news-2025) quotes the same title and release [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Another reader (stream o4) recorded the full text as not read; stream o3 read it. The text file was used here.
    checked: '2026-10-05'
- id: src-nhc-whitepaper-news-2025
  title: National Health Commission (China). News report on the white paper release, 30 April 2025
  url: https://en.nhc.gov.cn/2025-04/30/c_86427.htm
  document_class: secondary (official news report)
  read: full
  sha256: c917cfbf96bf60dbcbed974094450ed719f017641a085fed2c7cf3b566c24287
  file_in_research_set: o4/src/CN_NHC_whitepaper_news_30Apr2025.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: NHC host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-odni-gabbard-2026
  title: ODNI. "Fauci Funded Wuhan Lab Research That Sparked COVID" (ODNI Reports page dated 18 June 2026; introduction and links to four release parts and an index)
  url: https://www.odni.gov/13668/fauci-funded-wuhan-lab-research-that-sparked-covid/
  document_class: primary_text (official web page; allegations)
  read: page introduction only. The four release parts and the index were NOT opened.
  sha256: 1c1e3298dadc7f0cc6b5766b04aa13da64b5c94685167da6cd026b6406416dde
  file_in_research_set: o4/src/ODNI_Gabbard_page.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: ODNI host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Only the introductory paragraph was read; it contains allegations by the Director of National Intelligence that no document read supports or refutes.
    checked: '2026-10-05'
- id: src-cbs-cia-2025
  title: CBS News (with AP). CIA says COVID likely originated in lab, low-confidence assessment (page datePublished 2025-01-26, updated 27 Jan 2025; release "Saturday", 25 Jan 2025)
  url: https://www.cbsnews.com/news/cia-covid-likely-originated-lab-low-confidence-assessment/
  document_class: secondary (news report quoting a CIA spokesperson)
  read: full (news page); the CIA document was not found or read
  sha256: 6960883236fd646d7946af21bd988f6e2d50786251ff695695f73f06d2f99231
  file_in_research_set: o3/raw/secondary_cbs_cia_20250125.html
  authenticity:
    status: not_applicable
    basis: A news report quoting a CIA spokesperson. It is not a CIA document; cia.gov pages guessed in the research stream returned 404.
- id: src-cnn-wray-2023
  title: CNN. FBI director says COVID-19 pandemic most likely caused by a potential lab incident in Wuhan (28 Feb 2023; reports a Fox News interview)
  url: https://www.cnn.com/2023/02/28/politics/wray-fbi-covid-origins-lab-china/index.html
  document_class: secondary (news report)
  read: full (news page); the Fox interview and any FBI document were not read
  sha256: 61a0e73fb78c94d045d5a546a7cc75546ee4e1ced4b335dbea7635a10916b547
  file_in_research_set: o3/raw/secondary_cnn_wray_20230228.html
  authenticity:
    status: not_applicable
    basis: A news report of an interview. fbi.gov refused this environment. The "moderate confidence" label comes from CNN's 2021 anonymous-source reporting.
- id: src-npr-doe-2023
  title: NPR. U.S. Dept. of Energy says, with low confidence, that COVID may have leaked from a lab (28 Feb 2023; relays a Wall Street Journal report of 26 Feb 2023)
  url: https://www.npr.org/2023/02/28/1160157977/u-s-dept-of-energy-says-with-low-confidence-that-covid-may-have-leaked-from-a-la
  document_class: secondary (news report)
  read: full (news page); the Wall Street Journal article and the DOE report were not read
  sha256: 02192970c44386507e364ec631d909ba80c47babf241a36f1ee00827cb83ae15
  file_in_research_set: o3/raw/secondary_npr_doe_20230228.html
  authenticity:
    status: not_applicable
    basis: A news report relaying another outlet. The DOE document is classified and was not published.
- id: src-bpk-2025
  title: Regierungspressekonferenz of 12 March 2025 (German federal government press conference), transcript
  url: https://www.bundesregierung.de/breg-de/suche/regierungspressekonferenz-vom-12-maerz-2025-2337700
  document_class: primary_text (official transcript)
  read: full for the passage on the BND report (German)
  sha256: a895b78d0eb946bc471dcd3de3eb034c3543c93e14e5e530bfb681316072db9d
  file_in_research_set: o3/raw/bpk_20250312.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Federal government host.
    tests:
    - Official host and date [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Only the passage on the press reports about the BND was used.
    checked: '2026-10-05'
- id: src-bt-drucksache-2025
  title: 'Deutscher Bundestag, Drucksache 20/15143 (21 March 2025): Kleine Anfrage on the supposed findings of the BND on COVID-19 origins'
  url: https://dserver.bundestag.de/btd/20/151/2015143.pdf
  document_class: primary_text (parliamentary question)
  read: full
  sha256: bdcf064d2900576a705d0aec31a9079ecc901ea1f4a1c6fde2c7169a04f1478d
  file_in_research_set: o3/raw/bt_drucksache_20_15143.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Bundestag host.
    tests:
    - Official host and document number [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - A question, not an answer; it recounts a press report. No government reply was found.
    checked: '2026-10-05'
- id: src-tagesspiegel-bnd-2025
  title: 'Tagesspiegel, 12 March 2025: report on the BND assessment (paywalled; only the lead was readable)'
  url: https://www.tagesspiegel.de/politik/brisante-bewertung-bisher-geheim-gehalten-bnd-halt-laborunfall-als-ausloser-fur-corona-pandemie-fur-wahrscheinlich-13353190.html
  document_class: secondary (news report of a press report)
  read: partial (lead paragraph only)
  sha256: 078f8d14ea58c3617086c7a2e4800ea3f06e34f9ee2de9ebd50aea10692e563f
  file_in_research_set: o3/raw/sec_brisante-bewertung-bisher-gehe.html
  authenticity:
    status: not_applicable
    basis: A news report relaying Die Zeit and Suddeutsche Zeitung; the BND document was not read.
- id: src-nos-bnd-2025
  title: 'NOS (Dutch public broadcaster), 15 March 2025: report on the BND assessment'
  url: https://nos.nl/artikel/2559742-ook-duitse-geheime-dienst-denkt-dat-covid-uit-lab-ontsnapte-regering-hield-dat-stil
  document_class: secondary (tertiary relay of a press report)
  read: full (news page)
  sha256: d7e32418723cb817b980aff34a7f20f1893607a0bbeea1ee7833212cbbd0efeb
  file_in_research_set: o3/raw/sec_2559742-ook-duitse-geheime-die.html
  authenticity:
    status: not_applicable
    basis: A relay of the German reports; not relied on for any claim about the WHO document it mentions.
- id: src-sciam-shi-2024
  title: 'Scientific American, reposting Nature news (S. Mallapaty), 6 December 2024: Shi Zhengli''s conference talk on 56 new betacoronavirus genomes'
  url: https://www.scientificamerican.com/article/wuhan-lab-sequences-reveal-no-close-covid-relatives-virologist-says/
  document_class: secondary (news report of a talk)
  read: full (news page); the talk and any paper were not seen
  sha256: a8efa13982bd1e0c0720ac17a45e32cb8ade2869c271077ff834e7129cfe1950
  file_in_research_set: o2/raw/sciam_shi_dec2024.html
  authenticity:
    status: not_applicable
    basis: A news report of a pre-recorded conference talk that "has not been peer reviewed"; no peer-reviewed paper with the data was found (limited search).
- id: src-shi-qa-2020
  title: IDSA Science Speaks blog quoting Shi Zhengli's answers in Science (31 July 2020)
  url: https://www.idsociety.org/science-speaks-blog/2020/covid-19-eight-key-factual-statements-from-wuhan-institute-of-virologys-dr.-zhengli-shi
  document_class: secondary (blog quoting an interview)
  read: full (blog page); the Science Q&A was not read (science.org refused)
  sha256: b8ea0c4325eec934f45450153148ee3ce5e9999ebb2732c80ae04cc7340f552c
  file_in_research_set: o2/raw/sciencespeaks_shi.html
  authenticity:
    status: not_applicable
    basis: A blog quoting an interview; the original in Science was not read.
- id: src-chan-zhan-2022
  title: Chan YA, Zhan SH. The emergence of the spike furin cleavage site in SARS-CoV-2. Mol Biol Evol 39(1):msab327 (2022; Perspective). DOI 10.1093/molbev/msab327
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=8689951&retmode=xml
  document_class: interpretive (journal Perspective by authors who publicly favour a lab-related origin)
  read: full
  sha256: 56f54e894d5fa0b7a0d7280d92b93a56836ac2bc12b048d97c99aef8892e94a8
  file_in_research_set: o2/papers/ChanZhan2022_MBE_PMC8689951.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - A Perspective by authors who are public proponents of the lab-related hypothesis.
    checked: '2026-10-05'
- id: src-coutard-2020
  title: Coutard B et al. The spike glycoprotein of the new coronavirus 2019-nCoV contains a furin-like cleavage site absent in CoV of the same clade. Antiviral Res 176:104742 (2020)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=7114094&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: 5ca8aa122a5547a1df5fb00db299862bff4dbdc400d985f6fed87f280b25a879
  file_in_research_set: o2/papers/Coutard2020_AntiviralRes_PMC7114094.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-hoffmann-2020
  title: Hoffmann M et al. A multibasic cleavage site in the spike protein of SARS-CoV-2 is essential for infection of human lung cells. Mol Cell 78:779-784 (2020)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=7194065&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: 6a4904da3392a315b9d5af6f9c0966f181acce4e639a6209450512a44fbd65af
  file_in_research_set: o2/papers/Hoffmann2020_MolCell_PMC7194065.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-johnson-2021-fcs
  title: Johnson BA et al. Loss of furin cleavage site attenuates SARS-CoV-2 pathogenesis. Nature 591:293-299 (2021)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=8175039&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: 3ddc20e88fa033df7a2cd9d3de9b5dc50fea7de750214532cb96390895888dd5
  file_in_research_set: o2/papers/Johnson2021_Nature_PMC8175039.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-peacock-2021
  title: Peacock TP et al. The furin cleavage site in the SARS-CoV-2 spike protein is required for transmission in ferrets. Nat Microbiol 6:899-909 (2021)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=7619196&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: ff0d2f0a3831ef5733da188579e31a3c03f032f87a01551ce93efdef9257179c
  file_in_research_set: o2/papers/Peacock2021_NatMicro_PMC7619196.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-wu-zhao-2021
  title: Wu Y, Zhao S. Furin cleavage sites naturally occur in coronaviruses. Stem Cell Res 50:102115 (2021)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=7836551&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: ad0ba087dd3eb2af8b716995d437d521d085f944b8e364b19d3c87374e2b73af
  file_in_research_set: o2/papers/WuZhao2021_StemCellRes_PMC7836551.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-zhou-2020-rmyn02
  title: Zhou H et al. A novel bat coronavirus closely related to SARS-CoV-2 contains natural insertions at the S1/S2 cleavage site of the spike protein. Curr Biol 30:2196-2203 (2020)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=7211627&retmode=xml
  document_class: primary_text (journal article)
  read: full
  sha256: 1a18084ebff2fce0cb12ecf39a52727f6df417cb2b65903b59dde4e691943b0d
  file_in_research_set: o2/papers/Zhou2020_RmYN02_CurrBiol_PMC7211627.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-alwine-2024
  title: Alwine J, Goodrum F, et al. The harms of promoting the lab leak hypothesis for SARS-CoV-2 origins without evidence. J Virol (2024; commentary). DOI 10.1128/jvi.01240-24
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=11406950&retmode=xml
  document_class: interpretive (journal commentary)
  read: full
  sha256: d1594b28ab8bdf2de17f145cbf9a8c6ceffc1c562210ee6e9d647b35b22d44b2
  file_in_research_set: o2/papers/Bloom2024_JVI_harms_PMC11406950.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - A commentary signed by a group of virologists; not a data paper. File name in the research set says Bloom2024 but the article is by Alwine, Goodrum et al.
    checked: '2026-10-05'
- id: src-menachery-2015
  title: Menachery VD et al. A SARS-like cluster of circulating bat coronaviruses shows potential for human emergence. Nat Med 21:1508-1513 (9 Nov 2015)
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC4797993/fullTextXML
  document_class: primary_text (journal article)
  read: abstract text only
  sha256: d5180a0e07413b21729aeba5c357cc8253629ae5ebd040066fdeee673278216d
  file_in_research_set: o4/src/PMC4797993.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Abstract text only.
    checked: '2026-10-05'
- id: src-hu-2017
  title: Hu B et al. Discovery of a rich gene pool of bat SARS-related coronaviruses provides new insights into the origin of SARS coronavirus. PLoS Pathog 13(11):e1006698 (30 Nov 2017; received 10 Feb, accepted 17 Oct 2017)
  url: https://www.ebi.ac.uk/europepmc/webservices/rest/PMC5708621/fullTextXML
  document_class: primary_text (journal article)
  read: abstract text only
  sha256: 8d0d4c5d501c3fb73ceb444fa0f0d42cf693b1427ca77f4aa5a290a37e734257
  file_in_research_set: o4/src/PMC5708621.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Abstract text only.
    checked: '2026-10-05'
- id: src-ge-2013
  title: Ge XY et al. Isolation and characterization of a bat SARS-like coronavirus that uses the ACE2 receptor. Nature 503:535-538 (30 Oct 2013)
  url: https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pmc&id=5389864&rettype=xml
  document_class: primary_text (journal article)
  read: summary text only
  sha256: 5648bd614e44f2b16677936c064fe5fea730d5410a1769be169ac787fcf73dec
  file_in_research_set: o4/src/PMC5389864_ncbi.xml
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Full-text record from Europe PMC or NCBI; matches the DOI, journal, authors and dates quoted in the dig.
    tests:
    - 'Standard journal-record test: record matches DOI, journal, authors and date; correction and retraction links checked in PubMed and Crossref metadata [read]'
    tested_by: Strata session, 2026-10-05
    gaps:
    - Summary text only.
    checked: '2026-10-05'
- id: src-oig-2023
  title: HHS Office of Inspector General. National Institutes of Health and EcoHealth Alliance Did Not Effectively Monitor Awards and Subawards (A-05-21-00025; dated January 2023)
  url: https://oig.hhs.gov/documents/audit/7905/A-05-21-00025-Complete%20Report.pdf
  document_class: primary_text (official audit)
  read: partial (title page, date and summary read)
  sha256: 47d3f4c08cd53a1c74601a4c9ec6d68da0bf80d4b53f8ac3ca1bad3470b4ef3a
  file_in_research_set: o4/src/OIG_A-05-21-00025.pdf
  authenticity:
    status: authenticated
    strength: strong
    provenance: HHS-OIG host.
    tests:
    - Official host and report number [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Read for the date and the phrase about the grant termination only.
    checked: '2026-10-05'
- id: src-nih-eha-2022-08-19
  title: 'NIH letter to EcoHealth Alliance, 19 August 2022: termination of the WIV subaward for material non-compliance (copy in a House Oversight production)'
  url: https://oversight.house.gov/wp-content/uploads/2022/08/NIH-EHA-Production-8.19.22.pdf
  document_class: primary_text (official letter)
  read: partial (date and the termination sentence read)
  sha256: 40700de81fc85902aa9e9b1952afcebb09e378b0bafecb32781e2b344e58dc23
  file_in_research_set: o4/src/NIH_EHA_production_19Aug2022.pdf
  authenticity:
    status: authenticated
    strength: moderate
    provenance: House Oversight host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Not compared with an NIH-held file.
    checked: '2026-10-05'
- id: src-joint-statement-canada-2021
  title: Global Affairs Canada, Joint statement on the WHO-convened COVID-19 origins study, 30 March 2021 (Wayback snapshot)
  url: https://web.archive.org/web/20210401000000/https://www.canada.ca/en/global-affairs/news/2021/03/joint-statement-on-the-who-convened-covid-19-origins-study.html
  document_class: primary_text (joint government statement)
  read: full
  sha256: a43fc2e50c161f736526d7e5246bc20a405d047146d3310f3e4d171bee3ee763
  file_in_research_set: o4/src/JOINTSTMT_Canada_30Mar2021_wayback.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Wayback snapshot of the Canadian government page.
    tests:
    - Text matches the State Department version [read]
    tested_by: Strata session, 2026-10-05
    gaps: []
    checked: '2026-10-05'
- id: src-joint-statement-japan-2021
  title: Japan MOFA, Statement on the WHO-convened COVID-19 origins study (31 March 2021; Wayback snapshot)
  url: https://web.archive.org/web/20210401000000/https://www.mofa.go.jp/press/release/press4e_002990.html
  document_class: primary_text (joint government statement)
  read: full
  sha256: b834dac09e1f5ef077d7c631e69359dd980427a09601c8651c709d08218f8762
  file_in_research_set: o4/src/JOINTSTMT_Japan_MOFA_31Mar2021_wayback.html
  authenticity:
    status: authenticated
    strength: moderate
    provenance: Wayback snapshot of the Japanese ministry page.
    tests:
    - Text matches the State Department version [read]
    tested_by: Strata session, 2026-10-05
    gaps:
    - Dated 31 March where the State and Canada copies say 30 March.
    checked: '2026-10-05'
- id: src-who-don-2020-01-14-thailand
  title: 'WHO. Disease Outbreak News: Novel Coronavirus - Thailand (ex-China), 14 January 2020'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2020-DON234
  document_class: primary_text (official notice)
  read: full
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-06
    gaps:
    - Read through a fetch tool on 2026-10-06; no copy is stored and no sha256 was recorded.
    checked: '2026-10-06'
- id: src-who-don-2020-01-16-japan
  title: 'WHO. Disease Outbreak News: Novel Coronavirus - Japan (ex-China), 16 January 2020'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2020-DON236
  document_class: primary_text (official notice)
  read: full
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-06
    gaps:
    - Read through a fetch tool on 2026-10-06; no copy is stored and no sha256 was recorded.
    - The notice does not say where in Japan the case was found or lives.
    checked: '2026-10-06'
- id: src-who-don-2020-01-21-korea
  title: 'WHO. Disease Outbreak News: Novel Coronavirus - Republic of Korea (ex-China), 21 January 2020'
  url: https://www.who.int/emergencies/disease-outbreak-news/item/2020-DON238
  document_class: primary_text (official notice)
  read: full
  authenticity:
    status: authenticated
    strength: moderate
    provenance: WHO host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-06
    gaps:
    - Read through a fetch tool on 2026-10-06; no copy is stored and no sha256 was recorded.
    checked: '2026-10-06'
- id: src-cdc-release-2020-01-21
  title: CDC. First Travel-related Case of 2019 Novel Coronavirus Detected in United States (press release, 21 January 2020; CDC archive)
  url: https://archive.cdc.gov/www_cdc_gov/media/releases/2020/p0121-novel-coronavirus-travel-case.html
  document_class: primary_text (official release)
  read: full
  authenticity:
    status: authenticated
    strength: moderate
    provenance: CDC's own archive host.
    tests:
    - Official host [read]
    tested_by: Strata session, 2026-10-06
    gaps:
    - Read through a fetch tool on 2026-10-06; no copy is stored and no sha256 was recorded.
    - The release names the state of Washington only; no county or city.
    checked: '2026-10-06'