{
  "date": "2026-11-07",
  "origin": "Original solid-color picture and our original locally synthesized English speech, not private or third-party media.",
  "reference_speech": "Please review these words before you share the transcript.",
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  "caption_render": {
    "date": "2026-11-07",
    "srt_origin": "Actual UI download, no generated cue text or timing edited.",
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    "source_unchanged": true,
    "captioned_video_bytes": 39010,
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}