{
  "harness_run": "harness-2026-05-04-A",
  "step": 4,
  "rail": "HKTN Trust Graph",
  "label": "SIGNED SAMPLE ARTIFACT",
  "timestamp": "2026-05-04T19:00:00-07:00",
  "body": {
    "hktn": "HKTN-7Q9RX2NF8K-DEMO-A",
    "tier": "L2",
    "tier_engine_basis": "12 stamps, 0 evictions, well_formed=true",
    "zones_admitted": [
      "zone-public",
      "zone-evaluator",
      "zone-evaluations-base"
    ],
    "zones_eligible": [
      "zone-finance-base"
    ],
    "stamps_count": 12,
    "stamps_window_days": 30,
    "well_formed_proof": "spzk_wf_demo_a_8a7c2f9d3...",
    "passport_minted_at": "2026-05-04T19:00:00-07:00",
    "viewkey_grants_active": 1,
    "pq_clearance": "standard_only",
    "_real_endpoint": "GET https://hive-passport.onrender.com/v1/hktn/<hktn>/passport (LIVE \u2014 would return same shape)",
    "_sample_reason": "Read-only pattern. Real call returns this shape with real values; sample uses demo HKTN."
  },
  "signature": {
    "ed25519_sig_b64u_sample": "14ZzwL-cjNbRQO5niNrD0jnbPUx0URf4n56rFtAmg3jXhnPAv5yM1tFA7meI2sPSOds9THRRF_ifnqsW0CaDeA",
    "issuer": "did:hive:hive-passport",
    "issuer_pubkey_b64u": "nxCpCWMw0EIYl5I37xFoSnaYNApu9nEZMNr370wfZgw",
    "alg": "Ed25519",
    "payload_canonical_sha256_hex": "d78673c0bf9c8cd6d140ee6788dac3d239db3d4c745117f89f9eab16d0268378",
    "_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": "378a24e97d048cbb78d952bd023dc37b439f0e4b47662852fe7ec061859154e3"
}