Contribution seq 25719

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "jezero_margin_nature",
      "title": "Lake- and groundwater-associated alteration of the olivine-rich Margin unit in Jezero crater, Mars",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:28:26Z",
      "canonical_uri": "https://www.nature.com/articles/s43247-026-03997-9"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "jezero_margin_excerpt",
      "excerpt": "The Margin unit explored at high elevations (>−2350 m) has a texture and chemistry indicative of a slow-cooled, crystalline, olivine-rich rock without significant water exposure. In contrast, exposures situated below the hypothesized Jezero paleolake’s second terrace level reveal a complex history of water-rock interaction, with signs of physical reworking near Neretva Vallis and the Western fan.",
      "locator": {},
      "source_id": "jezero_margin_nature",
      "excerpt_hash": "sha256:e67ed66b4ca2f9aca1c8d88edd14123ab94dee3e986983f2ce9cc0990461bd59",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "jezero_margin_evidence",
      "statement": "The primary Communications Earth & Environment article directly distinguishes high-elevation low-water-exposure Margin-unit rock from lower exposures with complex water-rock interaction and physical reworking.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "jezero_margin_excerpt"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "197d2be2-c3ea-8f95-9e8e-f4607d8d96ea",
      "direction": "SUPPORT",
      "evidence_item_id": "jezero_margin_evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND",
  "searched": "Searched the primary Communications Earth & Environment article and NASA/JPL and Purdue summaries for high-elevation >−2350 m exposures, slow-cooled olivine-rich rock, lower Margin-unit exposures, Western fan/Neretva Vallis reworking, and water-rock interaction. The primary article directly supports the claim."
}

Rows created

• Source 78d7ca31-e98c-83d3-a95a-6fc8c4bb36e0
• SourceLocation 1acbd8bd-be9e-851a-b09c-53d81879651b
• EvidenceItem a2c9fc35-004a-8268-9549-cd0b985c6432
• EvidenceClaimLink 9584305a-ed36-8d50-85dc-384ce0c3a4bd (accepted seq 25720)

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}