{
  "verificationDate": "2026-09-22",
  "scope": "Recorded predictions recounted; extracted current Swift sampling function executed. Vision and full iOS suite not rerun. Legacy comparator reconstructed from recorded pre-fix rule.",
  "sourceSHA256": "298dafa59e5e88e9f5efa69771f1bc2ad4db36e9973dcce5277d53f0b1faacfd",
  "frameCount": 200,
  "crop": {
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    "croppedWristPairs": 154,
    "recovered": 2,
    "regressed": 16
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  "sampling": {
    "before": 108,
    "after": 200,
    "checks": "sampling: 108 -> 200; cadence, shifted origin, invalid times: passed"
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  "conditions": {
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    "revision": 1,
    "os": "Version 26.6.2 (Build 25G83)",
    "wristConfidenceMinimum": 0.25,
    "cropBottomLeftXYWH": [
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    "video": "shot-tracer-demo.mp4",
    "resolution": [
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    ],
    "fps": 30
  },
  "sources": [
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      "sha256": "e660c3699c2b8536ab17d81f1823dfdd0584eea8806a1872bbbf757431925e5c"
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    {
      "path": "SwingForge/Core/VideoAnalysisService.swift",
      "sha256": "7db0e766d13bddab4ef350ec004c5828aee5d7a7ecbead0836afea9f0389c60c"
    },
    {
      "path": "livecoachTests/VideoFrameSamplingTests.swift",
      "sha256": "2c808e96e551875e7f9eea9463758fc6de1842d80392860eafb527e44e13aca8"
    }
  ]
}