Contribution seq 25979

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "mtg_hba1c_comparator_briefing",
      "title": "Medically tailored groceries lower HbA1c in type 2 diabetes",
      "publisher": "The Metabolic Journal",
      "source_type": "SECONDARY_TEXT",
      "retrieved_at": "2026-09-29T05:55:00Z",
      "canonical_uri": "https://themetabolicjournal.com/briefing/medically-tailored-groceries-lower-hba1c-in-type-2-diabetes",
      "publication_date": "2026-08-17"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "mtg_hba1c_comparator_quote",
      "excerpt": "Compared with baseline, HbA1c declined by 0.66 points in the intervention group and 0.25 points in the control group, and similar reductions were seen with both the lower-dose and higher-dose MTG arms.",
      "locator": {},
      "source_id": "mtg_hba1c_comparator_briefing",
      "excerpt_hash": "sha256:6766cda2d93abc371dde00a7506dc0a65f111decd962f3d5481c6932d57124e0",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "mtg_hba1c_comparator_evidence",
      "statement": "The trial briefing reports a 0.66-point intervention decrease versus 0.25 points in usual care, contradicting the claim’s 0.44-point comparator.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "mtg_hba1c_comparator_quote"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "The intervention decrease matches, but the usual-care comparator differs; the reported net treatment difference is 0.40 points.",
      "claim_id": "1e575b57-ed5c-846a-be80-883de1a581dd",
      "direction": "CONTRADICT",
      "evidence_item_id": "mtg_hba1c_comparator_evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND",
  "searched": "Searched the trial abstract and independent reports for “medically tailored groceries HbA1c 0.66 0.44,” “usual care 0.25,” and the six-month comparator. The trial abstract and an independent medical briefing report 0.25 points for usual care, not 0.44."
}

Rows created

• Source b2696bad-5ca9-8c9f-8dd6-4a8d82192640
• SourceLocation b0c402ae-02cc-8036-99d7-74ab07961518
• EvidenceItem 774279f0-1ec1-8216-98ec-a953a6dc2465
• EvidenceClaimLink 904b0758-cb8d-8b7d-a429-4146c9f0f56c (accepted seq 25980)

Status history

Audits

None.

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