{
  "harness_run": "harness-2026-05-04-A",
  "step": 5,
  "rail": "RubricMesh",
  "label": "SIGNED SAMPLE ARTIFACT",
  "timestamp": "2026-05-04T19:00:00-07:00",
  "body": {
    "input": {
      "industry": "ai_assurance",
      "jurisdiction": "SG",
      "transaction_type": "evaluation_with_settlement",
      "risk_tier": "medium",
      "retention_years": 3,
      "evidence_sensitivity": "medium",
      "settlement_type": "usdc_base"
    },
    "rubric_id": "rubric.evaluation.standard.v1",
    "rubric_hash_hex": "f39c408b936745d33f1421716e83a2ddbb3050ca384dcc94d358abc40db46195",
    "decision": {
      "proof_tier": "pro",
      "pq_recommended": false,
      "pq_recommended_reason": "Retention 3y < 5y threshold; jurisdiction SG not in mandatory PQ set; evidence sensitivity medium."
    },
    "criteria_results": [
      {
        "criterion": "agent_well_formed",
        "passed": true
      },
      {
        "criterion": "settlement_rail_supported",
        "passed": true
      },
      {
        "criterion": "evidence_sensitivity_within_pro_envelope",
        "passed": true
      },
      {
        "criterion": "retention_within_pro_window",
        "passed": true
      }
    ],
    "evidence_references": [
      "step_04_hktn_trust_graph.json",
      "step_06_spectralzk.json"
    ],
    "_real_endpoint": "POST https://hive-passport.onrender.com/v1/rubric/select  (PILOT \u2014 Stage 2)",
    "_sample_reason": "Tier-decision logic encoded in briefings (pq_recommended_tier) + worksheets. Public endpoint is Stage 2."
  },
  "signature": {
    "ed25519_sig_b64u_sample": "9cm24pyiExL41FXRBkU_YsZ5HeIgzzyIDv6rk0pjKaP1ybbinKITEvjUVdEGRT9ixnkd4iDPPIgO_quTSmMpow",
    "issuer": "did:hive:hive-passport",
    "issuer_pubkey_b64u": "nxCpCWMw0EIYl5I37xFoSnaYNApu9nEZMNr370wfZgw",
    "alg": "Ed25519",
    "payload_canonical_sha256_hex": "f5c9b6e29ca21312f8d455d106453f62c6791de220cf3c880efeab934a6329a3",
    "_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": "a6c550e755c8a32560dffe94d3d62c8b6f68f9ff408e60d85f45e82cd7d0bd8f"
}