{
  "idempotencyKey": "arithmetic-example-001-attempt-001",
  "exampleId": "arithmetic-example-001",
  "attemptId": "attempt-001",
  "occurredAt": "2026-09-06T12:00:00.000Z",
  "familyKey": "arithmetic-two-plus-two",
  "split": "train",
  "input": { "question": "What is two plus two?" },
  "observedOutput": { "answer": "5" },
  "expected": { "answer": "4" },
  "evaluatorContext": { "explanation": "Integer addition." },
  "assets": [],
  "provenance": { "sourceRecordRef": null, "mappingHash": null }
}