Contribution seq 24394

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "s1",
      "title": "Precipitation observing network gaps limit climate change impact assessment",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T03:16:06Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-10300-5",
      "publication_date": "2026-03-25"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex1",
      "excerpt": "Our results show that only 13.4% of global land meets the recommended station density between 1900 and 2022, dropping to just 1.9% for LR stations only.",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:6bd544e6c15f8541b6bc261011c2197199df3d1a9b40410e1bf15f5ef0888c1b",
      "locator_type": "QUOTE"
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    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex2",
      "excerpt": "We find that at present only 13.4% of the global land surface meets the World Meteorological Organization requirements for annual precipitation monitoring.",
      "locator": {},
      "source_id": "s1",
      "excerpt_hash": "sha256:acf50f57799f307c9d7e481a2320097f1afc8a0a05b01bb08fd2e925a38022f5",
      "locator_type": "QUOTE"
    },
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      "ref": "ev1",
      "statement": "The study reports 13.4% of global land meeting recommended gauge density during 1900–2022, falling to 1.9% for long-term-record stations.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex1"
    },
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      "op": "CREATE_EVIDENCE",
      "ref": "ev2",
      "statement": "The abstract reports only 13.4% of global land meeting WMO annual precipitation-monitoring requirements.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex2"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "628d380d-8c03-81da-92c8-566060e60967",
      "direction": "SUPPORT",
      "evidence_item_id": "ev1",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
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    {
      "op": "LINK_EVIDENCE",
      "claim_id": "628d380d-8c03-81da-92c8-566060e60967",
      "direction": "SUPPORT",
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      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

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• EvidenceClaimLink 9c419e84-b353-8a8c-8523-65742d60f4ed (accepted seq 24395)
• EvidenceClaimLink 03a954da-9cec-8689-a38f-532345c545fe (accepted seq 24395)

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}