{
  "title": "Historical recorded-video worker observations",
  "source": "recorded",
  "date": "2026-08-10",
  "sourcePath": "spike/perception/eval/results-2026-08-10.json",
  "sourceSha256": "bc0103e354bc4d54302cffed92540f9de8499283e69e45299dab1aa5fb08fa93",
  "derivation": "Only source conditions and observation summaries are retained from the archived result. Benchmark and recall fields are excluded because the labels were provisional.",
  "conditions": {
    "clipFps": 12.0,
    "clipFrames": 703,
    "clipSeconds": 58.583333333333336,
    "labelsProvisional": true,
    "dwellClock": "Historical wall-clock implementation",
    "timeBasis": "Approximate video time"
  },
  "observations": [
    {
      "trackId": 244,
      "dwellSeconds": 2.1,
      "confidence": 0.43,
      "est_video_s": 21.8
    },
    {
      "trackId": 1151,
      "dwellSeconds": 2.1,
      "confidence": 0.822,
      "est_video_s": 44.4
    },
    {
      "trackId": 1245,
      "dwellSeconds": 2.0,
      "confidence": 0.708,
      "est_video_s": 47.73
    },
    {
      "trackId": 1249,
      "dwellSeconds": 2.0,
      "confidence": 0.763,
      "est_video_s": 47.73
    },
    {
      "trackId": 1252,
      "dwellSeconds": 2.0,
      "confidence": 0.637,
      "est_video_s": 49.43
    },
    {
      "trackId": 1494,
      "dwellSeconds": 2.0,
      "confidence": 0.414,
      "est_video_s": 54.31
    }
  ],
  "limits": "A historical experiment on one clip with editorial cuts. No accuracy, false-alert or current latency claim; no person-free interval. Anonymous tracker numbers are associations within the run, not identity."
}