{
  "transport": "SPT shortform",
  "recipients": [
    "doyle",
    "hertz"
  ],
  "status": "delivered",
  "confirmation_utc": "2026-09-15T08:06:01Z",
  "sha": "35d6f7a38f2189455f1a9e1a85a86b1e4bc0481a",
  "proof": "C:\\Users\\decid\\Documents\\projects\\spt-core\\.spt\\preserved\\304-handoff\\s4-release-note",
  "prior_file_and_pipe_cli_attempts": "Both refused EMPTY_MSG; no message sent by those attempts"
}