{
  "version": "geometry-v09",
  "date": "2026-11-02",
  "film": "https://www.youtube.com/watch?v=ZIqhh20DGCE",
  "scenes": 17,
  "sequence_seconds": 600.341669,
  "study_seconds": 180,
  "geometry_checks": {
    "status": "PASS",
    "unchangedStateComparisons": 9009,
    "poseCases": 1010,
    "maxSharedHeadVertexErrorPx": 1.1368683772161603e-13,
    "maxRotationOrthogonalityError": 1.7763568394002505e-15,
    "maxProperRotationDeterminantError": 1.9984014443252818e-15,
    "maxAxisCollinearityErrorPx": 1.8273537270358076e-13,
    "maxNormalizedBarLengthError": 3.552713678800501e-15,
    "maxPulseParameterEyeErrorPx": 0,
    "limits": [
      "Camera magnification changes screen-space eye positions continuously; underlying path and pulse schedule are unchanged.",
      "The head fit is an orthographic presentation pose, not a new numerical transformation.",
      "The straight axis is a user-specified normalization, not a literal trace of the photographed spiral centres."
    ]
  },
  "classification": "Calculated state and geometric endpoints; authored continuous staging, stellar roles and camera. No physical transit claim."
}