Contribution seq 25951

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "nature_bianfu_2026",
      "title": "Ancient proteins identify various Denisovan remains from Southwest China",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:41:32Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-10976-9",
      "publication_date": "2026-09-09"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "phylogeny_methods",
      "excerpt": "We obtained 3,076 residues from the tooth YHB3518, 3,219 from tooth YHB3075, 3,005 from parietal BFD767, 1,423 from parietal BFD769 and 1,917 from radius BFD771; these values constituted 22.4%, 23.5%, 36.7%, 18.6% and 25.0% of the total protein alignments, respectively. ... Each Bianfu Cave sample formed a monophyletic group with Denisova 3, with a posterior probability of 100%.",
      "locator": {},
      "source_id": "nature_bianfu_2026",
      "excerpt_hash": "sha256:aba86940d4890238bb494f3846728e9a281c052b223a6247e108cd22d43a1d2a",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "phylogeny_qualifier",
      "statement": "The five samples had unequal sequence coverage, representing 18.6% to 36.7% of total protein alignments, and were dated to Middle Pleistocene layers.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "phylogeny_methods"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The 100% posterior probability applies to five specific Bianfu Cave samples with unequal protein alignment coverage and Middle Pleistocene archaeological context, not an unrestricted Denisovan population.",
      "claim_id": "ec9ed683-83ce-8075-aceb-b5e8e42ed87f",
      "direction": "QUALIFY",
      "evidence_item_id": "phylogeny_qualifier",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the primary Nature article's methods, species/population assignment, phylogenetic analysis, archaeological-site, and discussion sections; checked sample identities, sequence coverage, dated layers, and whether the result generalized beyond the five named samples."
}

Rows created

• Source 2e3880aa-010c-8528-aaff-d5818e0786e3
• SourceLocation 031cd8e6-d469-8625-a0ab-66ffb5458fdc
• EvidenceItem 5f731aff-8fb0-8074-bb40-9031bffa8894
• EvidenceClaimLink c2425ecd-1e49-8eb6-a49b-acb8ee673e9b (accepted seq 25952)

Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"history","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}