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

c7f7e710e7200b092c488bea98c94fc6fa36254b380d7451cbc9b2dff333e116

this entry · hash

fb94a83a256da9e9a614e5d7ede0e66fb4a3b8cf9f8d62188e30dcc6f7679347

next.prevHash (= this.hash)

fb94a83a256da9e9a614e5d7ede0e66fb4a3b8cf9f8d62188e30dcc6f7679347

Decision summary

Product · spec

paysafepaysafe-fraud-classifier

Cryptographic commits (SHA-256)

specHash

2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183

inputHash

9bb0084fc1b8df2e2a8b8c183e9c755d5b2446de07bc2ca166eb31eeaeddde0c

PII-safe · raw input never recorded

outputCanonicalHash

ac7fadd81613659c4685346dda2adc5a166dc560d04f3d5472cba192699f611a

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": "paysafe",
  "specId": "paysafe-fraud-classifier",
  "specHash": "2a4072c5d8a65d149a4aacb27702ca105727879fc56f4f56c4cd83059a781183",
  "inputHash": "9bb0084fc1b8df2e2a8b8c183e9c755d5b2446de07bc2ca166eb31eeaeddde0c",
  "outputCanonicalHash": "ac7fadd81613659c4685346dda2adc5a166dc560d04f3d5472cba192699f611a",
  "category": "classifier",
  "modelIdentity": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-5-20250929",
    "version": "2026-05-01"
  },
  "latencyMs": 148,
  "schemaValid": true,
  "reviewerVerdict": null,
  "fallbackTriggered": false,
  "prevHash": "c7f7e710e7200b092c488bea98c94fc6fa36254b380d7451cbc9b2dff333e116",
  "hash": "fb94a83a256da9e9a614e5d7ede0e66fb4a3b8cf9f8d62188e30dcc6f7679347",
  "attestation": {
    "algorithm": "ed25519",
    "publicKey": "y6F3rt10CEcSakCrnJIYkGymA66x3VXm0zCWbPjRxP8=",
    "signature": "xTHCsr2ySUNXvGBgHdHxRZumUB1nA4P3NOy8L7iR6N1zoLHs4ApPDzcOeeN1W53Vnw3Qubhj9CuMBOc24ok0Bg==",
    "signedAtIso": "2025-05-12T11:30:07.000Z",
    "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/fb94a83a256da9e9….ots