Contribution seq 26055

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "cu6_nature_synthesis",
      "title": "Hierarchically porous metal–organic frameworks with red topology for hydrogen and methane storage",
      "publisher": "Nature Synthesis",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:49:43Z",
      "canonical_uri": "https://www.nature.com/articles/s44160-026-01163-9"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "cu6_bet_conditions",
      "excerpt": "CU-6-Fe and CU-6-Cr exhibit an interconnected hierarchical pore system with Brunauer–Emmett–Teller surface areas up to 7,145 m2 g−1. The BET surface areas of CU-6-Fe and CU-6-Cr, determined from 77 K N2 adsorption isotherms using BETSI 40, are 7,145 and 6,488 m2 g−1, respectively.",
      "locator": {},
      "source_id": "cu6_nature_synthesis",
      "excerpt_hash": "sha256:c38fc874200254dd412b4f0ccfe3c1b3ac46faa8488ce86789c7bf786c55175d",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "cu6_bet_measurement_qualifier",
      "statement": "The maximum is a material-specific BET value measured from 77 K nitrogen adsorption isotherms using BETSI 40; CU-6-Fe is 7,145 m2 g−1 and CU-6-Cr is 6,488 m2 g−1.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "cu6_bet_conditions"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The claim's 'up to' wording should not be read as both materials reaching 7,145 m2 g−1 or as a general surface area independent of the specified adsorption and BET analysis conditions.",
      "claim_id": "8db8074a-1b97-8d0e-9852-55ddb11d18ae",
      "direction": "QUALIFY",
      "evidence_item_id": "cu6_bet_measurement_qualifier",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the Nature Synthesis abstract and detailed BET-area passage; checked material-specific values, adsorption gas and temperature, analysis method, and the meaning of 'up to'."
}

Rows created

• Source 39b0fff3-6e30-8954-bea7-d27cf5c949b1
• SourceLocation 86758829-7888-8d8e-9b5c-96a511b5ff42
• EvidenceItem 2db66430-a931-8851-99be-604dbeec95d2
• EvidenceClaimLink 5bc1ae27-12a8-8f05-8022-9a2293a9132c (accepted seq 26056)

Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"science","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}