{
 "evidence_record_id": "ser_c33c33a6e2206bdfb93085cefeed12aa",
 "schema": "ser.v0.1.legal_ai_output",
 "payload_hash": "c33c33a6e2206bdfb93085cefeed12aa097b4108a8c3200a3d350da1abdaaaff",
 "merkle_root": "3da552e8b818026d1a1dcb59d83e86972af9bf696f3560a2f5c7d502e3a0eb0a",
 "transparency_anchor": {
  "status": "anchored",
  "rekor_log_id": "108e9186e8c5677acc4a566c0f6e6190532bfeac1ced035e68a36f65a74894676abf087136fc193c",
  "rekor_log_index": 3249798507,
  "rekor_url": "https://rekor.sigstore.dev/api/v1/log/entries/108e9186e8c5677acc4a566c0f6e6190532bfeac1ced035e68a36f65a74894676abf087136fc193c",
  "signing_algorithm": "ecdsa-p256-sha256",
  "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEhwAjwCuOAoJQT9J8CGgH4veeacLP\nC8S0VtBlUu70wZY4CWhb1Rp/cd9jaS7XEgt7Dvf5KIBAZygTBy4Hhuy9gQ==\n-----END PUBLIC KEY-----",
  "anchored_at": "2026-10-14T09:04:58.372Z"
 },
 "surface": {
  "tier": "public_sandbox",
  "signing_algorithm_in_use": "ecdsa-p256-sha256-ephemeral",
  "signing_algorithm_in_production_tenants": "ed25519-hardware-backed-planned",
  "note": "This public MCP endpoint signs with an ephemeral ECDSA P-256 / SHA-256 keypair generated per request, for live Sigstore Rekor anchoring. A hardware-backed production signing tier is planned; no production tenant exists yet. The Sealed Evidence Record format and Rekor anchoring are designed to stay the same on that tier; only the signing key would change. See verdict.systems/security."
 },
 "chain_of_custody": {
  "sequence": 1,
  "prior_root": null,
  "signer": "unbound_ephemeral_key",
  "transparency_anchor": {
   "status": "anchored",
   "rekor_log_id": "108e9186e8c5677acc4a566c0f6e6190532bfeac1ced035e68a36f65a74894676abf087136fc193c",
   "rekor_log_index": 3249798507,
   "rekor_url": "https://rekor.sigstore.dev/api/v1/log/entries/108e9186e8c5677acc4a566c0f6e6190532bfeac1ced035e68a36f65a74894676abf087136fc193c",
   "signing_algorithm": "ecdsa-p256-sha256",
   "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEhwAjwCuOAoJQT9J8CGgH4veeacLP\nC8S0VtBlUu70wZY4CWhb1Rp/cd9jaS7XEgt7Dvf5KIBAZygTBy4Hhuy9gQ==\n-----END PUBLIC KEY-----",
   "anchored_at": "2026-10-14T09:04:58.372Z"
  },
  "retention_class": "ephemeral_compute"
 },
 "legal_review": {
  "human_review_status": "pending",
  "attorney_reviewer": null,
  "citations": [],
  "risk_flags": []
 },
 "record": {
  "schema": "ser.v0.1.legal_ai_output",
  "matter_id": "demo-trial-TRIAL-2210",
  "workflow": "agentic_action",
  "input_summary": "AI pre-screening model (fictional) at site 14 of Phase II study NRV-204 reviews candidate 0381's referral packet against the protocol's inclusion and exclusion criteria. Packet fingerprinted; no patient data in this record.",
  "output_summary": "AI marks candidate 0381 likely eligible: meets age, diagnosis and lab criteria; no exclusion criteria detected. Recommends scheduling the consent visit.",
  "human_review_status": "pending",
  "attorney_reviewer": null,
  "model_provider": "demo",
  "model": null,
  "prompt_hash": null,
  "output_hash": "444151f36b42833fac6eb7f30266b471919a0f58e28928607379e290e1b982ff",
  "source_system": "Trial pre-screening AI (demonstration, fictional data)",
  "citations": [],
  "risk_flags": [],
  "metadata": {
   "case_id": "TRIAL-2210",
   "step_kind": "ai_prescreen",
   "protocol": "NRV-204 v3.1",
   "recommendation": "likely_eligible",
   "step": 1,
   "of": 2,
   "illustrative": true,
   "disclosure": "Fictional scenario built for a demo on 2026-10-14. The sponsor, study, site, candidate and people are invented. The seals and the public log entries are real."
  },
  "event_time": "2026-10-14T09:04:55Z",
  "received_at": "2026-10-14T09:04:57.957Z"
 },
 "notice": "Sealed Evidence Record produced by stateless compute. Only record is covered by payload_hash; surface, chain_of_custody, legal_review and this notice are display copies outside the hash, so read the values inside record. Record commitment is anchored to the public Sigstore Rekor transparency log; verify independently at the rekor_url. Production admissibility requires the receiving Verdict tenant to attach retention policy, custodian identity, and (where applicable) a hardware-backed signer; that production tier is planned and no production tenant exists yet."
}