Entry #8

2025-05-12T11:30:07.000Z

1y ago

← #7 #9 →

● 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 #7.

Hash-chain context

prevHash

31b44095a0d3c431abb47fd13cdb32d8f1b9728580abc5c46bf37d84bcb49e50

this entry · hash

75bb08650520158d21a493b158242ae5e7e2b472e9247605f9fa07744250eb64

next.prevHash (= this.hash)

75bb08650520158d21a493b158242ae5e7e2b472e9247605f9fa07744250eb64

Decision summary

Product · spec

civicgatecivicgate-message-router

Cryptographic commits (SHA-256)

specHash

5b05721a66c6c11d9cf1761a50485b486ffd0e628794651a76df5e05e78e810c

inputHash

d6ac4e24eb837b48ad94e0a973ddd4f2bbeec53f6e4a68c3e510a487f4aea7af

PII-safe · raw input never recorded

outputCanonicalHash

3925bbb8e79566abecad9f8c3f9d0d806ca496138d1f6a046187be57befa56fa

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": 8,
  "recordedAtMs": 1747049407000,
  "recordedAtIso": "2025-05-12T11:30:07.000Z",
  "productId": "civicgate",
  "specId": "civicgate-message-router",
  "specHash": "5b05721a66c6c11d9cf1761a50485b486ffd0e628794651a76df5e05e78e810c",
  "inputHash": "d6ac4e24eb837b48ad94e0a973ddd4f2bbeec53f6e4a68c3e510a487f4aea7af",
  "outputCanonicalHash": "3925bbb8e79566abecad9f8c3f9d0d806ca496138d1f6a046187be57befa56fa",
  "category": "router",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 211,
  "schemaValid": true,
  "reviewerVerdict": "approved",
  "fallbackTriggered": false,
  "prevHash": "31b44095a0d3c431abb47fd13cdb32d8f1b9728580abc5c46bf37d84bcb49e50",
  "hash": "75bb08650520158d21a493b158242ae5e7e2b472e9247605f9fa07744250eb64",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "z18YPCRO3u+B4OsSTSfSWRB09D8RSnJxLTmeODKtyP+DsyvzH1q6KLzSoes/rBXZsnV/Z61wMtYdj/2MeJRhDQ==",
    "signedAtIso": "2025-05-12T11:30:07.000Z",
    "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/75bb08650520158d….ots