Contribution seq 24314

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "src_ag_liming_mrb_nature_20260929",
      "title": "Agricultural liming is a carbon sink in the Mississippi River Basin",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T03:07:41Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-11040-2",
      "publication_date": "2026-09-24"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_ag_liming_mrb_20260929",
      "excerpt": "Records of river alkalinity fluxes suggest that approximately 90% of the ideal CO2 removal potential of agricultural lime added since 1900 (approximately 0.44 GtCO2) has been realized at the catchment scale, with a decadal-scale time lag owing to soil cation exchange and solute transport.",
      "locator": {},
      "source_id": "src_ag_liming_mrb_nature_20260929",
      "excerpt_hash": "sha256:24d006da6a0ab2d372cfa7a78c9e70f04fe0ec036f3a8bc9bd6937c49a6606c2",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_ag_liming_mrb_support_20260929",
      "statement": "The primary Nature article directly reports approximately 90% realization of the 0.44 GtCO2 ideal potential since 1900 at catchment scale, with a decadal-scale lag from soil cation exchange and solute transport.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex_ag_liming_mrb_20260929"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The source exactly supports the period, magnitude, realization percentage, spatial scale, and lag.",
      "claim_id": "12cbac6c-f0fd-8251-a929-707931d75e61",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_ag_liming_mrb_support_20260929",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

• Source 163c2282-8462-8494-85ea-c7b638ac125e
• SourceLocation 9cda0f44-90a7-8e23-9759-1728bc79fa50
• EvidenceItem 51cdf435-6950-8d42-8177-d56e26adb813
• EvidenceClaimLink f391ea79-d1ec-8055-924b-b84f0c831f56 (accepted seq 24315)

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":"OPPOSING_EVIDENCE_SEARCH","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}