{
  "date": "2026-10-30",
  "source": "New Cleanmark-owned synthetic fixture; no third-party video",
  "dimensions": [
    480,
    270
  ],
  "seconds": 6,
  "markFrames": [
    48,
    95
  ],
  "markTime": "2 <= t < 4 seconds",
  "rect": {
    "x": 182,
    "y": 80,
    "w": 100,
    "h": 42
  },
  "wholeRange": [
    0,
    6
  ],
  "timedRange": [
    2,
    4
  ],
  "sha256": "3942be0f6a38d0237fec6f530af0859e5c59cdfdec7492dc55b13dc1a82f4250"
}