Entry #1

2025-05-12T11:30:00.000Z

1y ago

#2 →

● 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 #0.

Hash-chain context

prevHash

genesis (000…000)

this entry · hash

8373504dccaa9e118977e420769f33eddf2941c7f0ff64a8ca331287e6d4a450

next.prevHash (= this.hash)

8373504dccaa9e118977e420769f33eddf2941c7f0ff64a8ca331287e6d4a450

Decision summary

Product · spec

paysafepaysafe-fraud-classifier

Cryptographic commits (SHA-256)

specHash

2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183

inputHash

4d49608d74612a295dd583b03bdbb5aa5fb5aab3f564047288cc627c26ef46af

PII-safe · raw input never recorded

outputCanonicalHash

c770b4314e179995fc24cceb26a28b35810289ec00e5930a11aa4e70bb7713a2

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": 1,
  "recordedAtMs": 1747049400000,
  "recordedAtIso": "2025-05-12T11:30:00.000Z",
  "productId": "paysafe",
  "specId": "paysafe-fraud-classifier",
  "specHash": "2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183",
  "inputHash": "4d49608d74612a295dd583b03bdbb5aa5fb5aab3f564047288cc627c26ef46af",
  "outputCanonicalHash": "c770b4314e179995fc24cceb26a28b35810289ec00e5930a11aa4e70bb7713a2",
  "category": "classifier",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 184,
  "schemaValid": true,
  "reviewerVerdict": null,
  "fallbackTriggered": false,
  "prevHash": "0000000000000000000000000000000000000000000000000000000000000000",
  "hash": "8373504dccaa9e118977e420769f33eddf2941c7f0ff64a8ca331287e6d4a450",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "LECO9JqR58mWwTr+5YRkR+VbTaszAx2M2rRRKsXVxN1N4ZJ/G4pX3uaK34KGajbblUNCr+zzsKPf1NqAnSp5BA==",
    "signedAtIso": "2025-05-12T11:30:00.000Z",
    "canonicalForm": "v1"
  }
}

Reproduce this verification independently

Re-verify the entire chain

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

Cross-check with the Python verifier

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

Verify the Bitcoin anchor

ots verify paysafe-runtime-ai-receipts.jsonl.anchors/8373504dccaa9e11….ots