Payload
{
"model": "FirstNational-FraudDetect-v2.1",
"model_version": "2.1.0",
"transaction_id_hash": "sha256:tx-994421",
"decision": "FLAGGED",
"confidence": 0.97,
"fraud_score": 94,
"transaction_amount_usd": 15400,
"flag_reasons": [
"velocity_anomaly",
"geo_mismatch",
"device_fingerprint_new"
],
"action_taken": "transaction_held_for_review",
"input_hash": "sha3-256:a9f4c22e",
"timestamp_ref": "2026-04-12T20:51:47Z"
}
Raw Entry
{
"id": "3c72dc52-512d-4114-85aa-d9ccd6f4cfe6",
"timestamp": "2026-04-16T20:51:48.329865+00:00",
"source": "ai-fraud-model-v2.1",
"action": "ai_decision_fraud_flag",
"payload": {
"model": "FirstNational-FraudDetect-v2.1",
"model_version": "2.1.0",
"transaction_id_hash": "sha256:tx-994421",
"decision": "FLAGGED",
"confidence": 0.97,
"fraud_score": 94,
"transaction_amount_usd": 15400,
"flag_reasons": [
"velocity_anomaly",
"geo_mismatch",
"device_fingerprint_new"
],
"action_taken": "transaction_held_for_review",
"input_hash": "sha3-256:a9f4c22e",
"timestamp_ref": "2026-04-12T20:51:47Z"
},
"prev_hash": "4914ec6f416e230d47259ebee411dc95137ec5ad91d0115c4adbc80276f86fc7",
"signing_key_id": "node-01",
"entry_hash": "813c6d9464fd2a8b997494836de3278f2c05d0ff9e30d316bd6621593777b800",
"signature": {
"algorithm": "HMAC-SHA3-256-DEV",
"key_id": "node-01",
"value": "Dz/rIK8n4Mljd3y8s839+IEWdfv2Z6HQJ7Bi5pJTaMo="
}
}