{
  "type": "ZkVmReceipt",
  "system": "risc0",
  "receiptFormat": "groth16-bn254",
  "imageId": "sha256:a1a0bc89b5b1febaeda3519f6dbade0fa5ac16beeb143c4e1b01689573567bc6",
  "seal": "EFSQIbriow6Rm4hks4e3+mVPqOb/zuYLzD3lMrKqCgcbLUfGaoXknC48jF2iI224dxg+48x3Y5IIEXdwJM1rkRflhFi4Z1xMrFubJOPP2PIN+nUZZiyOveQSQgRyoJivHlxMAkPDiZ6YdsjR+WRJ5QufLHoterueTIThSsiTJ6AK/p6eqVhcdlX7xeAbpf8262cGZFhTcQdTjeUjIvAptRp5Jlebg8hPkP8nE1FhmmgFRelWdfWOEAisPuldJnFVEIGoiyW0sIt5qrTDEI94aK+LeY1fSuRzk5UDdnf+ymopQPVwa4iNQuewQnxqus8bNsn/g0tjCWZg6Z9hUK75xg==",
  "journal": {
    "chaingraph_version": "0.4.0",
    "kernel_digest": "sha256:280862d6b27e8364c05290b99e446bb8938364dc1c03fb90835464743ef0cdc8",
    "output": {
      "calibration_grade": "F",
      "f1": null,
      "fpr": null,
      "note": "No synthetic pairs provided — cannot calibrate.",
      "pairs_evaluated": 0,
      "recall": null,
      "reference_version": "2026-06",
      "threshold_recommendation": 0.8
    }
  }
}