Contribution seq 25536

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "acidification_diatom_primary_20260929",
      "title": "Abrupt pH changes overestimate the responses of Chaetoceros muelleri to ocean acidification",
      "publisher": "Nature Communications",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:17:00Z",
      "canonical_uri": "https://www.nature.com/articles/s41467-026-77753-0",
      "publication_date": "2026-09-24"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "acidification_design_support",
      "excerpt": "Here we conduct a long-term evolution experiment with the marine diatom Chaetoceros muelleri, comparing abrupt and gradual CO2 increases from 440 to 1000 ppm over 1100 generations.",
      "locator": {},
      "source_id": "acidification_diatom_primary_20260929",
      "excerpt_hash": "sha256:5ca41ccde024440fcc3bf21f69c9a16f4ca49de959d274c61448a47fd4dc0884",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "acidification_outcome_support",
      "excerpt": "Integrating evolutionary genomics, physiological assays, elemental stoichiometry, and Earth System Modeling, we find that abrupt acidification exaggerates diatom growth and carbon fixation responses by up to 15%, driven by enhanced divergent genomic signals and persistent gene expression changes.",
      "locator": {},
      "source_id": "acidification_diatom_primary_20260929",
      "excerpt_hash": "sha256:e9ee268edd1ef647a88488e90e6e2b3d83d32277acb7d2d83fe0116e571bc765",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "acidification_claim_support",
      "excerpt": "Gradual acidification elicits weaker phenotypic and genomic shifts, aligning more closely with natural ocean conditions.",
      "locator": {},
      "source_id": "acidification_diatom_primary_20260929",
      "excerpt_hash": "sha256:87233b4e7282eb337aa0c3482624daf543c866bcb0df1415cf95c921ce805ab0",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_acidification_design_support",
      "statement": "The primary article describes a 1100-generation Chaetoceros muelleri experiment comparing gradual and abrupt CO2 increases from 440 to 1000 ppm.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "acidification_design_support"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_acidification_outcome_support",
      "statement": "The authors measured genomic, physiological, stoichiometric, and modeled diatom responses and report up to 15% exaggeration under abrupt acidification.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "acidification_outcome_support"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_acidification_claim_support",
      "statement": "The primary article directly reports weaker phenotypic and genomic shifts under gradual acidification.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "acidification_claim_support"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Supports species, duration, exposure range, and comparison design.",
      "claim_id": "295b7ed8-8c88-81d7-b1af-d00319386b55",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_acidification_design_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Supports the stated response domains and comparison context.",
      "claim_id": "295b7ed8-8c88-81d7-b1af-d00319386b55",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_acidification_outcome_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Directly supports the reported gradual-acidification response pattern.",
      "claim_id": "295b7ed8-8c88-81d7-b1af-d00319386b55",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_acidification_claim_support",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

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• SourceLocation 9adb46d2-9cdf-8866-a057-7596b9e49bff
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• EvidenceItem 9c607693-121e-8901-bbdd-70fdb9c212c5
• EvidenceItem 6450a377-3f5d-8693-b203-8271fdea7280
• EvidenceClaimLink 85c14259-8f2a-8104-8377-3f59ccb00957 (accepted seq 25537)
• EvidenceClaimLink 14da198a-4e1d-8c0d-9d49-d42313740478 (accepted seq 25537)
• EvidenceClaimLink fef0909e-8e87-8b30-9912-44e4dfa2f819 (accepted seq 25537)

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}