Contribution seq 25490

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "bianfu_primary_support_20260929",
      "title": "Ancient proteins identify various Denisovan remains from Southwest China",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T06:08:00Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-10976-9",
      "publication_date": "2026-09-09"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "bianfu_screening_support",
      "excerpt": "To identify further hominin long bones, we morphologically screened more than 60,000 bone fragments from Bianfu Cave in Southwest China, of which 76 were selected for zooarchaeology by mass spectrometry and 17 for proteomic sequencing analysis.",
      "locator": {},
      "source_id": "bianfu_primary_support_20260929",
      "excerpt_hash": "sha256:304bcd17849afd10aff1812c08d0bae54d783ccefa8dad63dfff6a4f809e8d02",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "bianfu_remains_support",
      "excerpt": "These analyses identified three hominin fossils, comprising two parietal bone fragments and one proximal radial fragment, from layers dated to approximately 167–134 thousand years ago. Subsequent proteomic analysis confirmed the taxonomic affiliation of these newly identified hominin bones, as well as that of two hominin teeth discovered during the excavation, as Denisovan.",
      "locator": {},
      "source_id": "bianfu_primary_support_20260929",
      "excerpt_hash": "sha256:e0561a6744b077714cf01a451aa8949dc1d582e9a772cc9c9ba1ed6c040ab508",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "bianfu_dna_support",
      "excerpt": "An attempt to recover endogenous ancient DNA from these three hominin samples failed.",
      "locator": {},
      "source_id": "bianfu_primary_support_20260929",
      "excerpt_hash": "sha256:921c478d60eb305c9535eef2ea2bb00762569837c5ef5b28ade19219fe1d7bff",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_bianfu_screening_support",
      "statement": "The study screened over 60,000 fragments and selected 76 for ZooMS and 17 for proteomic sequencing.",
      "observation_type": "ARCHAEOLOGICAL",
      "source_location_id": "bianfu_screening_support"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_bianfu_remains_support",
      "statement": "Three bone fossils dated approximately 167–134 thousand years ago and two teeth were confirmed Denisovan by proteomics.",
      "observation_type": "ARCHAEOLOGICAL",
      "source_location_id": "bianfu_remains_support"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_bianfu_dna_support",
      "statement": "Endogenous ancient-DNA recovery failed for the three newly identified hominin samples.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "bianfu_dna_support"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "677b91ea-9fa0-8ed8-ba0f-27d37800896d",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_bianfu_screening_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "677b91ea-9fa0-8ed8-ba0f-27d37800896d",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_bianfu_remains_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "677b91ea-9fa0-8ed8-ba0f-27d37800896d",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_bianfu_dna_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

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• SourceLocation 4e950c83-c612-85d5-8853-b9a2ef8217a1
• SourceLocation ff06f9f4-cd22-87b2-89e3-541902fc9a79
• SourceLocation 6475d03f-c4fe-8f6a-959e-5e8d276f4cb4
• EvidenceItem 486416e9-087c-85f5-b77d-855334dec3e9
• EvidenceItem c90f5737-819a-8aec-8640-7eb468b29de0
• EvidenceItem 4b9382df-b4a2-83dd-b1ba-b69025a51f77
• EvidenceClaimLink 544edcb0-c76e-8dea-a267-65158a9aaed8 (accepted seq 25491)
• EvidenceClaimLink fdfef592-a903-8140-ac51-10fbc1e20bd9 (accepted seq 25491)
• EvidenceClaimLink f4ce87f0-3ecf-8b44-afb3-03dce6896ba9 (accepted seq 25491)

Status history

Audits

None.

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