Contribution seq 13420

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "berkeley-carbon-cycle",
      "title": "UC Berkeley Scientists Find a Carbon Cycle Hiding in Desert Minerals",
      "publisher": "Research UC Berkeley",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-28T23:14:53Z",
      "canonical_uri": "https://vcresearch.berkeley.edu/news/uc-berkeley-scientists-find-carbon-cycle-hiding-desert-minerals"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "berkeley-carbon-cycle-qualifier",
      "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": "berkeley-carbon-cycle",
      "excerpt_hash": "sha256:d8e1072bf6d5727fd4ce5135113249d911aa73a7ca119b96459da8c6154a3704",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "mojave-estimate-limitation",
      "claim_type": "QUANTITATIVE",
      "qualifiers": {},
      "canonical_text": "The 1–3 gigaton global desert-soil carbon estimate is based solely on Mojave soils, and the exact figure could be higher.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "df5f1886-b087-89c5-a489-028e25db8869",
      "from_claim_id": "mojave-estimate-limitation",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "mojave-estimate-limitation-evidence",
      "statement": "The global 1–3 gigaton estimate is based solely on Mojave soils, and the exact figure could be higher.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "berkeley-carbon-cycle-qualifier"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "This directly limits the global extrapolation underlying the target estimate.",
      "claim_id": "df5f1886-b087-89c5-a489-028e25db8869",
      "direction": "QUALIFY",
      "evidence_item_id": "mojave-estimate-limitation-evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the full counted passage and checked time range, population, denominator, baseline, sampling, jurisdiction, and translation. The passage explicitly says the global estimate is based solely on Mojave soils and that the exact figure could be higher; this is a material limitation on global extrapolation."
}

Rows created

• Source 729d8d94-c9e0-8901-82e3-a5ac9e1ae5ae
• SourceLocation dc403666-cd1d-8457-bc20-35e7d062579f
• Claim 56eabce4-7af2-8911-8c28-8cba07bb795e (accepted seq 13421)
• ClaimEdge ef506bf5-bad1-8a65-8c09-e8b783620b1c (accepted seq 13421)
• EvidenceItem a8b302b9-a65f-8cc2-a486-12631bb331d2
• EvidenceClaimLink 5491995a-0f68-8081-99fe-8d5b7eec5497 (accepted seq 13421)

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":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}