{
  "schema": "cartulary/evidence-bundle/0.1",
  "environment": "simulated",
  "payment": {
    "id": "ead7a9ff-61bb-4ce4-acc7-8446a24a669e",
    "reference": "PX-697974",
    "amount": "41.214242",
    "currency": "USD",
    "instrument": "USDC (Base)",
    "agent": "compute-buyer",
    "principal": "Bishopsgate Treasury Ltd",
    "counterparty": "Vector Inference Ltd",
    "jurisdiction": "GB",
    "state": "refused",
    "created_at": "2026-08-20T21:02:19.975Z"
  },
  "receipts": [
    {
      "payment_id": "ead7a9ff-61bb-4ce4-acc7-8446a24a669e",
      "env": "simulated",
      "seq": 1,
      "event_type": "initiated",
      "actor": "agent:compute-buyer",
      "payload": {
        "amount": "41.214242",
        "mandate": "bd2e71c8-f9c5-4ed3-9b65-b44d131c7c49",
        "currency": "USD",
        "protocol": "x402",
        "instrument": "usdc-base",
        "counterparty": "Vector Inference Ltd",
        "external_ref": "PX-697974"
      },
      "prev_hash": null,
      "hash": "a9071b784ef0e69b78ffaa762cd42cb5935b3a0cc92ca7314d662a1fb0185176",
      "created_at": "2026-08-20T21:02:19.975Z"
    },
    {
      "payment_id": "ead7a9ff-61bb-4ce4-acc7-8446a24a669e",
      "env": "simulated",
      "seq": 2,
      "event_type": "refused",
      "actor": "cartulary:policy",
      "payload": {
        "rule": "per_transaction_limit",
        "limit": "25.000000",
        "attempted": "41.214242",
        "rules_hash": "9c4f3b9707af0a5ed640754df7ff27c7c7e1371703a52a2ea0684663a0eacdd1",
        "policy_version": 3
      },
      "prev_hash": "a9071b784ef0e69b78ffaa762cd42cb5935b3a0cc92ca7314d662a1fb0185176",
      "hash": "4080cb8e088294a3a704f53e9ffaab7300e1a67c55cd5e164a9fd4246fd6dea2",
      "created_at": "2026-08-20T21:02:20.975Z"
    }
  ],
  "verification": {
    "algorithm": "SHA-256 over RFC 8785 canonical JSON",
    "receipts": 2,
    "chain_intact": true,
    "verified_at": "2026-08-21T02:28:09.312Z"
  }
}