Entry #9

2025-05-12T11:30:08.000Z

1y ago

← #8 #10 →

● 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 #8.

Hash-chain context

prevHash

fb94a83a256da9e9a614e5d7ede0e66fb4a3b8cf9f8d62188e30dcc6f7679347

this entry · hash

df6518adc48e2cd1459a2d8fd02c9dda743572fdf013eec2af000610b1e07dc3

next.prevHash (= this.hash)

df6518adc48e2cd1459a2d8fd02c9dda743572fdf013eec2af000610b1e07dc3

Decision summary

Product · spec

paysafepaysafe-fraud-classifier

Cryptographic commits (SHA-256)

specHash

2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183

inputHash

522d7f57071e429abbeb463dfa6bbc2268afa5455435a0e6d79dca5acecd058e

PII-safe · raw input never recorded

outputCanonicalHash

eebcbdc9253ba22279f876bd649b4366864e436f66d2b0d5424e5e5d7b44912e

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": 9,
  "recordedAtMs": 1747049408000,
  "recordedAtIso": "2025-05-12T11:30:08.000Z",
  "productId": "paysafe",
  "specId": "paysafe-fraud-classifier",
  "specHash": "2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183",
  "inputHash": "522d7f57071e429abbeb463dfa6bbc2268afa5455435a0e6d79dca5acecd058e",
  "outputCanonicalHash": "eebcbdc9253ba22279f876bd649b4366864e436f66d2b0d5424e5e5d7b44912e",
  "category": "classifier",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 296,
  "schemaValid": true,
  "reviewerVerdict": "approved",
  "fallbackTriggered": false,
  "prevHash": "fb94a83a256da9e9a614e5d7ede0e66fb4a3b8cf9f8d62188e30dcc6f7679347",
  "hash": "df6518adc48e2cd1459a2d8fd02c9dda743572fdf013eec2af000610b1e07dc3",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "Arnvg8sCXGqYAsZRiLzCe8x2Wult1AtSSQ8fz2NbDUpXr11yebRY8lVJpQZrpKb5J+Rufz54ine6cMN8IrpIDA==",
    "signedAtIso": "2025-05-12T11:30:08.000Z",
    "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/df6518adc48e2cd1….ots