{
  "schema_version": "claim-proof/v0.1",
  "claim_proof_id": "cp-demo-00000000-0000-4000-8000-000000000001",
  "created_at": "2026-08-11T12:00:00.000Z",
  "mode": "shadow",
  "verdict": "FLAGGED",
  "verdict_policy_id": "policy-mco-shadow-v0",
  "claim_ref": {
    "claim_id_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "member_id_hash": "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae",
    "provider_npi_hash": "fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9",
    "service_from": "2025-03-01",
    "service_to": "2025-03-01",
    "payment_year": 2025,
    "lob": "medicare_advantage",
    "contract_id_hash": "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3"
  },
  "clinical_confidence": {
    "score": 0.42,
    "method": "structured_completeness_v0",
    "notes": "Demo fixture: missing encounter linkage for one submitted HCC. Not a medical necessity determination."
  },
  "rule_trace": {
    "engine": "mco-detection-engine+horizon-aegis",
    "engine_version": "demo-2026-08-11",
    "checks": [
      { "check_id": "HCC-DOC-SUPPORT", "result": "fail", "severity": "warn", "detail_hash": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08" },
      { "check_id": "CODING-RELATION", "result": "pass", "severity": "info", "detail_hash": "c775e7b757ede630cd0aa1113bd102661ab38829ca52a6422b64658f4fa5f7c" }
    ],
    "trace_hash": "b5d4045c3f466fa91fe2cc6abe79232a1a57cdf104f7a26e716e0a1e2789df78"
  },
  "hcc_profile": {
    "unsupported_hccs": ["HCC18"],
    "supported_hccs": ["HCC85"],
    "support_score": 0.55,
    "sample_probability": 0.31
  },
  "evidence_merkle": {
    "algorithm": "sha256",
    "root": "6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b",
    "leaves": [
      { "leaf_id": "claim_header", "digest": "4b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a", "kind": "claim_header" },
      { "leaf_id": "rule_trace", "digest": "b5d4045c3f466fa91fe2cc6abe79232a1a57cdf104f7a26e716e0a1e2789df78", "kind": "rule_trace" },
      { "leaf_id": "span-doc-1", "digest": "ef2d127de37b942baad06145e54b0c619a1f22327b2ebbcfbec78f5564afe39d", "kind": "document_span" }
    ]
  },
  "seal": {
    "alg": "Ed25519",
    "signature": "DEMO_NOT_A_REAL_SIGNATURE_base64url",
    "public_key_id": "demo-claim-proof-signing-key-v0",
    "signed_at": "2026-08-11T12:00:01.000Z",
    "content_hash": "d4735e3a265e16eee03f59718b9b5d03019c07d8b6c51f90da3a666eec13ab35"
  },
  "anchor": {
    "network": "demo",
    "tx_or_block_ref": "demo-anchor-not-live",
    "anchored_digest": "6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b",
    "anchored_at": "2026-08-11T12:00:02.000Z"
  },
  "underwriting_seal": null,
  "creb_promotion": {
    "status": "none",
    "profile": "creb-radv"
  },
  "honesty_labels": [
    "demo_fixture",
    "shadow_default",
    "model_exposure_not_actuarial",
    "not_a_creb",
    "no_underwriting_without_policy"
  ]
}