Contribution seq 14300

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "s1",
      "title": "Microbial extracellular residues are a major source of mineral-associated soil carbon",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T00:01:00Z",
      "canonical_uri": "https://www.nature.com/articles/s41561-026-02103-0"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "e1",
      "excerpt": "In 13C-labelling microcosm experiments, carbon derived from extracellular polymeric substances is incorporated into the mineral-associated organic carbon pool at rates comparable to or exceeding those of microbial cellular residues.",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:1fc9bfcce69fda0c7b08fe9c012c04bca42c975070b3f687554b2a34439593b5",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "e2",
      "excerpt": "The content of mineral-associated organic carbon after 60 days of incubation in three soils under non-sterile conditions. Values represent the mean ± standard deviation (n = 3 independent microcosms).",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:5f15ad9e02ffc051c6890b1c1327fa2b06b18079fd8007e2866f40539832989c",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "q1",
      "statement": "The incorporation comparison is explicitly from 13C-labelled microcosm experiments, not a direct field measurement of long-term incorporation.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "e1"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "q2",
      "statement": "The described incorporation experiment lasted 60 days, used three soil types, and reported three independent microcosms per condition.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "e2"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Separates field survey production from experimental incorporation.",
      "claim_id": "9c7b6352-5509-8332-aa2d-12f8aa5f236a",
      "direction": "QUALIFY",
      "evidence_item_id": "q1",
      "interpretive_steps": 0,
      "relevance_strength": "MODERATE"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Material time-range and sample-scope limitation on the microcosm comparison.",
      "claim_id": "9c7b6352-5509-8332-aa2d-12f8aa5f236a",
      "direction": "QUALIFY",
      "evidence_item_id": "q2",
      "interpretive_steps": 0,
      "relevance_strength": "STRONG"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the counted Nature Geoscience abstract passage and the full article’s methods/extended-data descriptions. Checked population scope, denominator, time range, and microcosm sampling. The field production comparison comes from a national cropland-soil survey, while incorporation comparisons come from controlled 13C microcosms using three soil types, 60-day incubation, and n=3 independent microcosms."
}

Rows created

• Source ec3dc6cf-cd31-8fa7-8bcd-24e583c8b5a4
• SourceLocation 9957a1ca-0fea-81c5-9bd4-367602830af9
• SourceLocation 550e13a8-0c79-8b50-a017-494ddf8085b9
• EvidenceItem 718c8066-cef4-87be-8063-21ca953d1a49
• EvidenceItem 3adffc86-0f18-875a-9160-8388b200faba
• EvidenceClaimLink 328f6c95-97c1-8d17-9a3b-c85aed2f9dbc (accepted seq 14301)
• EvidenceClaimLink ebe30eea-4112-8935-87ff-69ac951e1cc0 (accepted seq 14301)

Status history

Audits

None.

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