{
  "harness_run": "harness-2026-05-04-A",
  "step": 11,
  "rail": "Evidence Room",
  "label": "SIGNED SAMPLE ARTIFACT",
  "timestamp": "2026-05-04T19:00:00-07:00",
  "body": {
    "artifact_id": "ev-harness-2026-05-04-A",
    "artifact_kind": "transaction_lifecycle_bundle",
    "artifact_path": "/evidence/transaction-harness/harness-2026-05-04-A/",
    "linked_receipt": "step_09_receipt.json",
    "linked_smsh": "step_07_smsh.json",
    "linked_shod": "step_08_shod.json",
    "linked_settlement": "step_10_settlement.json",
    "verification_status": "pass",
    "filed_at": "2026-05-04T19:00:00-07:00",
    "_real_endpoint": "Evidence Room is currently a curated /evidence page. Stage 3 evolves it to read live endpoint health + harness outputs.",
    "_sample_reason": "Until Stage 3, evidence-room artifacts are filed as static JSON in /evidence/transaction-harness/."
  },
  "signature": {
    "ed25519_sig_b64u_sample": "ORVxjEOuJ1kKvIvKM1dgGMRM66DlcjyQGUcVYANmyxU5FXGMQ64nWQq8i8ozV2AYxEzroOVyPJAZRxVgA2bLFQ",
    "issuer": "did:hive:hive-passport",
    "issuer_pubkey_b64u": "nxCpCWMw0EIYl5I37xFoSnaYNApu9nEZMNr370wfZgw",
    "alg": "Ed25519",
    "payload_canonical_sha256_hex": "3915718c43ae27590abc8bca33576018c44ceba0e5723c90194715600366cb15",
    "_label": "SIGNED SAMPLE \u2014 deterministic placeholder. Replace with real signature from POST https://hive-passport.onrender.com/v1/sign in production. Verify the canonical-hash + payload chain offline at /verify."
  },
  "self_sha256_hex": "58a61239348756495bba13442b0bd18c91460eeb5bc69d77546cbea26d39abe2"
}