{
  "status": "received",
  "receipt_id": "rcpt_20260527_001",
  "task_id": "agent_discovery_001",
  "received_at": "2026-05-27T00:00:00Z",
  "submission_status": "submitted_with_receipt",
  "proof_origin": "target_system",
  "validation": {
    "status": "passed",
    "required_fields_present": true,
    "task_id_exists": true,
    "schema_version": "0.3-route-hardening"
  }
}