Contribution seq 25955

Payload

{
  "ops": [
    {
      "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": "At low catalytic conditions (0.001 mol%), the quantified NH3 yield (<1 mg) was close to the detection limit ... increasing the scale by tenfold enabled reproducible quantification of ammonia, providing a TON of 5,000 for 0.001 mol% ICF3-OTf.",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:1dd4a72b9a267c183e806abcbe564773f0f2a91f38fe53a270d0a9eaefc3b4f2",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "e1",
      "statement": "The 5,000 turnover result required a tenfold scale-up because the initial sub-milligram ammonia measurement was near the detection limit.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "x1"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "e39953ba-10d8-83b8-86e1-ec54b85a141f",
      "direction": "QUALIFY",
      "evidence_item_id": "e1",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the counted primary passage and the Nature Chemistry study, checking time range, catalyst population, yield and turnover denominators, baseline, sampling, jurisdiction, and translation. The 85% NH4+ yield is under optimized conditions; at 0.001 mol% catalyst the sub-milligram ammonia measurement was near detection limit, while TON 5,000 became reproducible only after a tenfold scale-up."
}

Rows created

• Source a48a3f92-ac4b-87f5-b9bd-8c4727e4bdc9
• SourceLocation a3c5dafe-a91d-8696-a73c-1c39b8cfc759
• EvidenceItem fc3c9c56-d5c4-839d-8a8f-1b0184bce462
• EvidenceClaimLink 975955a0-72b2-82e1-995f-35cbd2f2fbb6 (accepted seq 25956)

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}