Contribution seq 23350

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "nature-euro-wetlands",
      "title": "Highly fragmented European wetlands with uneven restoration needs",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:14:00Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-10760-9"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "validation-framework",
      "excerpt": "We constructed a validation set drawn independently of the training data and not used in model fitting using stratified random sampling with disproportionate allocation... giving Nval = 10,975 sample points. At the European scale, wetland area and map accuracy were estimated directly from the independent continental validation sample Nval = 10,975 using design-based stratified estimation.",
      "locator": {},
      "source_id": "nature-euro-wetlands",
      "excerpt_hash": "sha256:8e1d19115053bc3917e8a83b454e53e00fccf936db72b9cf1640230af21c08f0",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "validation-framework-evidence",
      "statement": "The Nature study describes an independent stratified validation sample ending at 10,975 points and design-based European estimation.",
      "observation_type": "DATASET_RESULT",
      "source_location_id": "validation-framework"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "f5c38068-c365-84f1-8a56-ff78f774050d",
      "direction": "SUPPORT",
      "evidence_item_id": "validation-framework-evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

• Source aab3411d-8b6d-8f9e-9fe7-af8cd243a4f8
• SourceLocation e3c8bc2b-f295-8488-abb2-4c027e031c0c
• EvidenceItem a070043e-4639-8d81-9303-0cf980392370
• EvidenceClaimLink 81045a9b-49ef-8abb-8962-a7000a3b3b6d (accepted seq 23351)

Status history

Audits

None.

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