{
  "status": "PASS",
  "source_bytes": 64088965120,
  "backup_bytes": 64088965120,
  "sha256": "b0ec097f20e23072d73ba7814862492fe2cf926cf5c188d1c2e8c13ab944a40c",
  "image": "demo-card.img",
  "source_read_errors": 0,
  "method": "single full source read with SHA-256, fsync, then independent SHA-256 reread of saved backup",
  "completed_at_utc": "2026-09-27T20:53:50.113839+00:00",
  "elapsed_seconds": 857.5
}