{
  "event": "2026 British Grand Prix",
  "source_video": "Supplied Sky Sports F1 race program",
  "source_sha256": "df80f20c2168ea1b09eec2b9035c584795e746c49726716a2d2368579c94fbf7",
  "source_video_format": {
    "stored_resolution": "1280x720",
    "display_aspect_ratio": "16:9",
    "frame_rate": 50
  },
  "race_start_s": 684.98,
  "race_end_s": 5916.32,
  "race_seconds": 5231.34,
  "race_time": "1:27:11.340",
  "shot_count": 641,
  "authoritative_exact_set": true,
  "frame_alignment_ms": 20.0,
  "analysis_segment_count": 641,
  "refined_parent_shots": 0,
  "replay_seconds": 128.88,
  "replay_time": "2:08.880",
  "replay_pct_race": 2.464,
  "focus_reconciliation_seconds": 5231.34,
  "special_focus_seconds": {
    "NO_CAR": 46.8
  },
  "special_visible_seconds": {
    "NO_CAR": 46.8
  },
  "mode_seconds": {
    "live_external": 3961.66,
    "onboard": 919.9,
    "other": 46.8,
    "pit": 302.98
  },
  "confidence_seconds": {
    "high": 1829.24,
    "medium": 3402.1
  },
  "unknown_or_low_confidence_shots": 0,
  "method": {
    "headline": "editorial-focus time; co-primary shots split equally",
    "secondary": "identifiable visible-presence time; non-exclusive, shot/subsegment-level",
    "window": "first fully dark lights-out frame through winner crossing finish line",
    "replays": "included in headline and separately itemized"
  }
}