{
  "comment": "# geometric-optics-basics 1.3.17 Tue Oct 27 2026 10:34:58 GMT-0600 (Mountain Daylight Time)",
  "totality": {
    "sha": "20aece4a3bb2d4e3c84743e47585fe852d2fd906",
    "branch": "HEAD"
  }
}