Entry #10

2025-05-12T11:30:09.000Z

1y ago

← #9 #11 →

● 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 #9.

Hash-chain context

prevHash

df6518adc48e2cd1459a2d8fd02c9dda743572fdf013eec2af000610b1e07dc3

this entry · hash

9a0503a5d5598048b1d2179166d3900717569d4fcc1609dea2a3a0aeb4527f9f

next.prevHash (= this.hash)

9a0503a5d5598048b1d2179166d3900717569d4fcc1609dea2a3a0aeb4527f9f

Decision summary

Product · spec

paysafepaysafe-fraud-classifier

Cryptographic commits (SHA-256)

specHash

2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183

inputHash

41b663860bc685c5a73eb171f92c937ad70fa833b5161d2dc691963af2194257

PII-safe · raw input never recorded

outputCanonicalHash

e0c2febc6ae793efbc45ab161fe6c88cb4a9ca90a4015d55937be895446cba7e

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": 10,
  "recordedAtMs": 1747049409000,
  "recordedAtIso": "2025-05-12T11:30:09.000Z",
  "productId": "paysafe",
  "specId": "paysafe-fraud-classifier",
  "specHash": "2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183",
  "inputHash": "41b663860bc685c5a73eb171f92c937ad70fa833b5161d2dc691963af2194257",
  "outputCanonicalHash": "e0c2febc6ae793efbc45ab161fe6c88cb4a9ca90a4015d55937be895446cba7e",
  "category": "classifier",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 211,
  "schemaValid": true,
  "reviewerVerdict": "amended",
  "fallbackTriggered": false,
  "prevHash": "df6518adc48e2cd1459a2d8fd02c9dda743572fdf013eec2af000610b1e07dc3",
  "hash": "9a0503a5d5598048b1d2179166d3900717569d4fcc1609dea2a3a0aeb4527f9f",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "h9qZUvo8DKkS/JuQmFjsBT5mjiHp5vG5aa6oAcLX6V2B613SaeLgB9kje32DdUsN+LYgGbElHINYimvsZvlmCA==",
    "signedAtIso": "2025-05-12T11:30:09.000Z",
    "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/9a0503a5d5598048….ots