Entry #5

2025-05-12T11:30:04.000Z

1y ago

← #4 #6 →

● Verified

Ed25519 · RFC 8032

Signed by

y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=

Trust anchor

y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=

Entry signature verifies under the operator's published Ed25519 trust anchor. Hash chain matches: prevHash links to entry #4.

Hash-chain context

prevHash

87c329a5ed88502f9e32d63a2550c190be7648b059e1a37616cb4b41a93b13a8

this entry · hash

62ba591b4ba97b0c93410aca4bb0dd719b6de4ada98b630ef17c5ad30ff640d6

next.prevHash (= this.hash)

62ba591b4ba97b0c93410aca4bb0dd719b6de4ada98b630ef17c5ad30ff640d6

Decision summary

Product · spec

civicgatecivicgate-message-router

Cryptographic commits (SHA-256)

specHash

5b05721a66c6c11d9cf1761a50485b486ffd0e628794651a76df5e05e78e810c

inputHash

7f4d3a5c889ba9c1a50076ad26dffa404afba7556b52109fbf5f1019e9b39336

PII-safe · raw input never recorded

outputCanonicalHash

1e543fdeb9062f1268286257b69fa07ee6e5f34949df15ad619a5c7791357353

schema-projected; not the raw text

Regulatory questions this entry answers

Field	Mandate	Answers
`L12 entry exists at all`	AI Act Art. 12 (record-keeping)	Was each high-risk AI output produced under a declared schema?
`attestation.signature`	GDPR Art. 5(1)(f), Art. 32 (integrity)	Has this record been tampered with?
`reviewerVerdict`	GDPR Art. 22, AI Act Art. 14	Did a human review the decision when required?
`fallbackTriggered`	AI Act Art. 15 (accuracy + robustness)	When the model failed, did the system fall back safely?
`inputHash`	GDPR Art. 25 (data minimisation)	Raw input never recorded — only the SHA-256 hash.
`modelIdentity`	AI Act Art. 13, PSD3 vendor diligence	Which exact model version made this decision?

Raw L12 entry (canonical form `v1`)

{
  "id": 5,
  "recordedAtMs": 1747049404000,
  "recordedAtIso": "2025-05-12T11:30:04.000Z",
  "productId": "civicgate",
  "specId": "civicgate-message-router",
  "specHash": "5b05721a66c6c11d9cf1761a50485b486ffd0e628794651a76df5e05e78e810c",
  "inputHash": "7f4d3a5c889ba9c1a50076ad26dffa404afba7556b52109fbf5f1019e9b39336",
  "outputCanonicalHash": "1e543fdeb9062f1268286257b69fa07ee6e5f34949df15ad619a5c7791357353",
  "category": "router",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 176,
  "schemaValid": true,
  "reviewerVerdict": null,
  "fallbackTriggered": false,
  "prevHash": "87c329a5ed88502f9e32d63a2550c190be7648b059e1a37616cb4b41a93b13a8",
  "hash": "62ba591b4ba97b0c93410aca4bb0dd719b6de4ada98b630ef17c5ad30ff640d6",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "8vHb8Xz3tIP/y66fSclPLoqeZnImzqjWTen9bUG0Io+whSkA5qonIHGK/qjGJ0cz0RCRuX83ZCRs5O7K4qIeBg==",
    "signedAtIso": "2025-05-12T11:30:04.000Z",
    "canonicalForm": "v1"
  }
}

Reproduce this verification independently

Re-verify the entire chain

node verify.mjs civicgate-runtime-ai-receipts.jsonl

Cross-check with the Python verifier

python -m promethean_runtime_ai.verify civicgate-runtime-ai-receipts.jsonl

Verify the Bitcoin anchor

ots verify civicgate-runtime-ai-receipts.jsonl.anchors/62ba591b4ba97b0c….ots