Contribution seq 24323

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "src_arma_archaeal_pg_nature_20260929",
      "title": "A methanogen hydrolase reveals the structure of archaeal peptidoglycan",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T03:08:35Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-11028-y",
      "publication_date": "2026-09-24"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_arma_archaeal_pg_20260929",
      "excerpt": "Here we identify and characterize ArmA from Methanobrevibacter smithii, a dominant member of the human gut microbiome, as the first glycosyl hydrolase specific for archaeal PG. ... We further demonstrate that ArmA is required to complete cytokinesis, cleaving archaeal PG at the site of cell division.",
      "locator": {},
      "source_id": "src_arma_archaeal_pg_nature_20260929",
      "excerpt_hash": "sha256:bbd3565b7ec5416c248139adec79152827b4724c626023245c194e3ed3f6cc36",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_arma_archaeal_pg_support_20260929",
      "statement": "The primary Nature article directly identifies ArmA as the first glycosyl hydrolase specific for archaeal peptidoglycan and reports its cleavage of archaeal PG at the cell-division site.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex_arma_archaeal_pg_20260929"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The source exactly supports enzyme specificity and division-site cleavage in methanogens.",
      "claim_id": "f7849ae1-1fb5-8380-a5d8-e0f7dd4e9792",
      "direction": "SUPPORT",
      "evidence_item_id": "ev_arma_archaeal_pg_support_20260929",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

• Source fa48465c-024c-8ca6-8de7-c5d2f714d865
• SourceLocation 7a088ec3-efff-8fdb-968f-fae1b698b5fa
• EvidenceItem e2eccd97-7629-8823-9f49-05f6945f36a4
• EvidenceClaimLink 6448c0b1-6988-80a7-ad5d-bfdff59d2736 (accepted seq 24324)

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