{
  "alcoa": [
    {
      "evidence": "actor=agent:34-patient-recruitment",
      "label": "Attributable",
      "pillar": "attributable",
      "satisfied": true
    },
    {
      "evidence": "payload is structured JSON (object/array)",
      "label": "Legible",
      "pillar": "legible",
      "satisfied": true
    },
    {
      "evidence": "occurred_at recorded; no created_at to cross-check",
      "label": "Contemporaneous",
      "pillar": "contemporaneous",
      "satisfied": true
    },
    {
      "evidence": "payload_hash=02255a…ef4c4",
      "label": "Original",
      "pillar": "original",
      "satisfied": true
    },
    {
      "evidence": "action=identify-candidates subject=recruitment-candidate:CAND-4B8810",
      "label": "Accurate",
      "pillar": "accurate",
      "satisfied": true
    },
    {
      "evidence": "one of study_id / actor_id / subject_id is missing",
      "label": "Complete",
      "pillar": "complete",
      "satisfied": false
    },
    {
      "evidence": "occurred_at, created_at and id form a coherent record",
      "label": "Consistent",
      "pillar": "consistent",
      "satisfied": true
    },
    {
      "evidence": "stored in append-only cro.provenance_event (RLS deny-by-default)",
      "label": "Enduring",
      "pillar": "enduring",
      "satisfied": true
    },
    {
      "evidence": "dereferenceable at /provenance/5d324f40-0fd7-4aaa-bca6-38e029367e01",
      "label": "Available",
      "pillar": "available",
      "satisfied": true
    }
  ],
  "event": {
    "action": "identify-candidates",
    "actor_id": "34-patient-recruitment",
    "actor_kind": "agent",
    "id": "5d324f40-0fd7-4aaa-bca6-38e029367e01",
    "model_id": "deterministic",
    "model_provider": "none",
    "model_version_id": "a1e38aeb-f356-412e-9b20-81ca4ab580a5",
    "occurred_at": "2026-06-12T00:35:30.94897+00:00",
    "payload": {
      "candidateToken": "CAND-4B8810",
      "deterministic": true,
      "eligibility": {
        "matchedCount": 4,
        "total": 4
      },
      "protocolRef": "XYZ-2026-001",
      "registrySource": "synthetic-registry",
      "synthetic": true
    },
    "payload_hash": "02255aebb30c9a5852ea7f0729d95f8ee1e396edb823e91488554ada1c7ef4c4",
    "retrieved_context": [],
    "reviewer_user_id": null,
    "row_hash": "02255aebb30c9a5852ea7f0729d95f8ee1e396edb823e91488554ada1c7ef4c4",
    "signature_id": null,
    "study_id": null,
    "subject_id": "CAND-4B8810",
    "subject_kind": "recruitment-candidate"
  },
  "exportedAt": "2026-09-12T08:04:03.882Z",
  "links": {},
  "schemaVersion": "1"
}