Contribution seq 13488

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "ucb-mojave-estimate-qualifier",
      "title": "UC Berkeley Scientists Find a Carbon Cycle Hiding in Desert Minerals",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-28T23:16:19Z",
      "canonical_uri": "https://vcresearch.berkeley.edu/news/uc-berkeley-scientists-find-carbon-cycle-hiding-desert-minerals"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ucb-mojave-estimate-qualifier-quote",
      "excerpt": "When scaled globally, the authors estimate that between one and three gigatons (1-3 GT) of carbon—roughly one-tenth to one-third of annual human emissions—move into and out of desert soils each year. The exact figure could be higher, as the estimate is based solely on Mojave soils.",
      "locator": {},
      "source_id": "ucb-mojave-estimate-qualifier",
      "excerpt_hash": "sha256:d8e1072bf6d5727fd4ce5135113249d911aa73a7ca119b96459da8c6154a3704",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ucb-mojave-estimate-qualifier-evidence",
      "statement": "UC Berkeley explicitly says the 1–3 gigaton global estimate is based solely on Mojave soils and could be higher.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "ucb-mojave-estimate-qualifier-quote"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The source directly states both the Mojave-only basis and possibility that the exact global figure is higher.",
      "claim_id": "56eabce4-7af2-8911-8c28-8cba07bb795e",
      "direction": "SUPPORT",
      "evidence_item_id": "ucb-mojave-estimate-qualifier-evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

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• SourceLocation 8cf82419-e76a-8406-9f37-c16ee2108356
• EvidenceItem 21a35bc2-ff9f-896f-9908-b2f23a760dbd
• EvidenceClaimLink 717035fd-afd3-84f7-b538-47418a876b1e (accepted seq 13489)

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}