Contribution seq 25949

Payload

{
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    {
      "op": "CREATE_SOURCE",
      "ref": "s1",
      "title": "Secondary-sphere hydrogen bonding promotes catalytic nitrate reduction at iron",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:41:07Z",
      "canonical_uri": "https://www.nature.com/articles/s41557-026-02235-1"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "x1",
      "excerpt": "We identified NO(g) in 68% yield by characteristic νN–O bands ... A parallel trapping experiment using Co(TPP) ... afforded 68% Co(TPP)(NO).",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:f8d325879118fe97af5a9afb212d86d663e071e0fe818a4dd33b30ba2766095a",
      "locator_type": "QUOTE"
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    {
      "op": "CREATE_EVIDENCE",
      "ref": "e1",
      "statement": "The 68% value is from a parallel Co(TPP) trapping experiment, which materially qualifies how the nitric-oxide yield was measured.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "x1"
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      "claim_id": "b21b995f-fde5-863f-8abd-693165d8079c",
      "direction": "QUALIFY",
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      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
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  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the counted primary passage and the Nature Chemistry study, checking time range, catalyst population, yield denominator, baseline, sampling, jurisdiction, and translation. The 68% figure comes from a parallel Co(TPP) nitric-oxide trapping experiment, so it is a trapped-product yield rather than an unqualified direct free-NO yield from the iron complex."
}

Rows created

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• EvidenceClaimLink bc0d5315-157c-85a5-a535-2644de4a7bc7 (accepted seq 25950)

Status history

Audits

None.

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