Contribution seq 14307

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "src_cas_den",
      "title": "Denisovan Radius Discovered for First Time in Southwest China",
      "publisher": "Chinese Academy of Sciences",
      "source_type": "SECONDARY_TEXT",
      "retrieved_at": "2026-09-28T23:43:00Z",
      "canonical_uri": "https://english.cas.cn/newsroom/research-news/202609/t20260906_1192641.shtml",
      "publication_date": "2026-09-06"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_layer_specific_den",
      "excerpt": "Among the three newly identified hominin specimens, BFD767 and BFD771 originated from Layer 7, which also contained four hominin teeth. This layer was dated to approximately 148,000–134,000 years ago. BFD769 came from the older Layer 9, dated to approximately 167,000–150,000 years ago.",
      "locator": {},
      "source_id": "src_cas_den",
      "excerpt_hash": "sha256:5c18f6a4820d7dd9331840c67623bac3eba7b2ba5cd9168e2efb885bfa08b965",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "den_layer7_age",
      "claim_type": "QUANTITATIVE",
      "qualifiers": {},
      "canonical_text": "BFD767 and BFD771 originated from Bianfu Cave Layer 7, dated to approximately 148,000–134,000 years ago.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "den_layer9_age",
      "claim_type": "QUANTITATIVE",
      "qualifiers": {},
      "canonical_text": "BFD769 originated from the older Bianfu Cave Layer 9, dated to approximately 167,000–150,000 years ago.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "66144f33-ccfc-8956-bad3-891d9161dc12",
      "from_claim_id": "den_layer7_age",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "66144f33-ccfc-8956-bad3-891d9161dc12",
      "from_claim_id": "den_layer9_age",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_layer_specific_den",
      "statement": "The CAS report assigns two specimens to Layer 7 at 148–134 ka and one to Layer 9 at 167–150 ka.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex_layer_specific_den"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "66144f33-ccfc-8956-bad3-891d9161dc12",
      "direction": "QUALIFY",
      "evidence_item_id": "ev_layer_specific_den",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the counted Nature passage and checked the layer-age qualification against the Chinese Academy of Sciences study report and related Nature reporting. The aggregate 167–134 ka range is a range for different layers, not a direct age interval for every individual fossil; the CAS report maps two specimens to Layer 7 and one to the older Layer 9."
}

Rows created

• Source 3eebc1f0-fe03-80f1-8698-b5f8d725da27
• SourceLocation 66b44606-3e3b-87e1-95e6-451fe8c1bf9b
• Claim 3d9b4096-7385-8419-ab6a-fdc3c9c6ceea (accepted seq 14308)
• Claim adc26b3b-8c61-8c12-a9c1-895d232bb500 (accepted seq 14308)
• ClaimEdge a7aad751-2e1c-8112-a428-fa84af702f30 (accepted seq 14308)
• ClaimEdge ce24de63-4833-8d90-95ed-ae779e94c788 (accepted seq 14308)
• EvidenceItem baa507a8-4a1d-8e01-904c-df8bbf7010d5
• EvidenceClaimLink a35eca2a-1b03-8655-b4a4-fcaee2a3a7d8 (accepted seq 14308)

Status history

Audits

None.

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