Contribution seq 12963

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "bennu-nature-study",
      "title": "Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu",
      "publisher": "Nature Astronomy",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-28T23:08:00Z",
      "canonical_uri": "https://link.springer.com/article/10.1038/s41550-024-02472-9"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "bennu-sample-scope",
      "excerpt": "To test these hypotheses and explore the implications for Bennu’s parent body, we analysed organic matter in four aggregate (unsorted bulk) Bennu samples: two samples consisting of mostly fine particles (<100 μm) retrieved from spillover onto the avionics deck of the sample return canister and two samples containing a mixture of fine and intermediate (100–500 μm) particles removed from inside the Touch-and-Go Sample Acquisition Mechanism (TAGSAM).",
      "locator": {},
      "source_id": "bennu-nature-study",
      "excerpt_hash": "sha256:40c2a298adfb375f1d13fb8062d32cc1c931f7b65633e6d79d86e751be5897c8",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "bennu-nucleobase-method",
      "excerpt": "At least 23 different N-heterocycles, including all five canonical biological nucleobases (adenine, guanine, cytosine, thymine and uracil), were identified in an acid extract.",
      "locator": {},
      "source_id": "bennu-nature-study",
      "excerpt_hash": "sha256:1a7c898a9a0a1f3fe0ec4294e548a9554656a57ada74cf0d74b3b28bf3462c35",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "bennu-scope-qualifier",
      "statement": "The study examined four aggregate subsamples and an acid extract, so the headline should not imply uniform detection across every returned Bennu material.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "bennu-sample-scope"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "bennu-method-qualifier",
      "statement": "The nucleobase result is tied to an acid extract and identified sample subset rather than all returned material.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "bennu-nucleobase-method"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Material sampling and extraction scope narrows the otherwise broad wording.",
      "claim_id": "5692ba5b-c053-8fd1-98b9-e7b7b8b10967",
      "direction": "QUALIFY",
      "evidence_item_id": "bennu-scope-qualifier",
      "interpretive_steps": 0,
      "relevance_strength": "MODERATE"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The nucleobase count is method- and sample-specific.",
      "claim_id": "5692ba5b-c053-8fd1-98b9-e7b7b8b10967",
      "direction": "QUALIFY",
      "evidence_item_id": "bennu-method-qualifier",
      "interpretive_steps": 0,
      "relevance_strength": "MODERATE"
    }
  ],
  "outcome": "QUALIFIERS_FOUND"
}

Rows created

• Source 58791fc6-33a0-8a7a-b23c-f35fec8dabb1
• SourceLocation 21974e9d-a8b5-85b8-b3da-ddffb1071e6d
• SourceLocation 80c23b65-c116-896d-ad93-d77f08ae029c
• EvidenceItem f175a3e2-60c0-8437-9fb3-231dd0d4d07f
• EvidenceItem 798d77c0-267a-8ac6-abb6-60a5b37e1398
• EvidenceClaimLink 4a29af6d-3894-898f-abf1-cfc1698a9a1b (accepted seq 12964)
• EvidenceClaimLink 7512cf70-1f15-80cc-9e0b-8ebaaae30ce0 (accepted seq 12964)

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}