{
  "receipt_id": "rcpt_2026-05-18T14:32:11Z_a1b2c3d4",
  "schema_version": "1.0.0",
  "synthetic": true,
  "synthetic_notice": "This receipt contains SYNTHETIC data only. All patient names, MRNs, DOBs, diagnosis codes, and clinician identifiers are fictional. The signer key is a synthetic Ed25519 keypair (vke_synthetic_2026-05) intentionally exposed in sign_and_verify.py so anyone can re-verify. In production, the signer key is the operator's, not Vertical Edge AI's.",
  "request": {
    "request_id": "req_2026-05-18T14:32:11Z_e5f6g7h8",
    "timestamp_utc": "2026-05-18T14:32:11.234Z",
    "session_id": "sess_synthetic_clinic_001",
    "user_role": "clinician",
    "input_hash_sha256": "19bb5bfb3576a98c6adb2671d5938b8ac4abc0c9ffc592fdff1e2b0bef3d5fbb",
    "input_token_count": 487,
    "data_classes_detected": [
      "SSN",
      "DOB",
      "diagnosis_code",
      "MRN"
    ]
  },
  "policy": {
    "policy_version": "v2026.05.18-h2",
    "rules_fired": [
      "redact_SSN_before_transit",
      "tokenize_MRN_reversible",
      "route_HIPAA_BAA_only"
    ],
    "policy_hash_sha256": "d526ad1a2d18bb81065a79337d3a605f21e4ed329adc5d627a5ff0c1a1c5d3d1"
  },
  "provider_routing": {
    "provider": "anthropic",
    "model": "claude-opus-4-7",
    "region": "us-east-1",
    "baa_covered": true,
    "zdr_asserted": true,
    "upstream_payload_hash_sha256": "1c913500ac12f988a0d31a99738b55ac408d2c1e068cfcab9e992072c1ff8faf"
  },
  "response": {
    "response_hash_sha256": "5e7f94412901171e0e60afc23887b202a34fde259a16940397b9f26dc55b513f",
    "completion_token_count": 312,
    "latency_ms": 1847
  },
  "post_processing": {
    "detokenization_applied": true,
    "fields_reinjected": [
      "MRN"
    ]
  },
  "verification": {
    "chain_prev_event_hash": "0000000000000000000000000000000000000000000000000000000000000000",
    "transparency_log_inclusion_proof": "c2FtcGxlX2luY2x1c2lvbl9wcm9vZl9zeW50aGV0aWM=",
    "signature_algorithm_category": "ed25519",
    "signature": "ed25519:3b34ef66d4ce475cccef70d5add1f4a2bd068f29f13f170f3bce1ea534acc76b13d832d7ab22c781197cc1e126e594012466a72a2ad8a31e9554bbae40f5f20c",
    "signer_key_id": "vke_synthetic_2026-05"
  }
}