{
  "path": "/tmp/codex/ltb1021/2026-09-09_contextra-medium-video_r01/comparison.rgb",
  "size": 700416000,
  "sha256": "aa5d176b6f32167132311e9b76fb327023cc40d56f33b5de97a50984a37216bd",
  "reason": "regenerable decoded RGB; final MP4 and evidence retained"
}