{
  "protocol": "ASTER_APERTURE_DESIRE_PATH",
  "version": "1.0",
  "parent_nonce": "ASTER-APERTURE-20260908-06E3E2EE",
  "child_nonce": "ASTER-APERTURE-20260908-06E3E2EE:example-agent:YYYYMMDDTHHMMSSZ",
  "agent_or_runner": "replace-me",
  "boundary": {
    "from": "system-A",
    "to": "system-B",
    "authorized": true,
    "description": "Describe the permitted boundary crossed."
  },
  "outbound": {
    "timestamp_utc": "YYYY-MM-DDTHH:MM:SSZ",
    "payload_sha256": "06e3e2ee3a44a33dc5a22c736cd4c4dc3fadb4511ee778ca0017c0a2ea7ee4ec",
    "send_or_write_id": "replace-me"
  },
  "receiver": {
    "timestamp_utc": "YYYY-MM-DDTHH:MM:SSZ",
    "receiver_read_id": "replace-me",
    "receiver_generated_marker": "MUST-NOT-EXIST-BEFORE-RECEIPT"
  },
  "return": {
    "timestamp_utc": "YYYY-MM-DDTHH:MM:SSZ",
    "returned_payload_sha256": "replace-me",
    "returned_read_id": "replace-me"
  },
  "result": "PASS|FAIL|PARTIAL",
  "notes": "Explain transformations, mismatches, or uncertainty."
}