{
  "title": "Derivative and Critical Points",
  "origin_url": "https://en.wikipedia.org/wiki/Macsyma",
  "license_guess": null,
  "code_sha256": "81e85d7a2c93e00d62bdcdb420d2004e079b62e1e97f5ac8cfbb5a4f1425867c",
  "added_at": "2026-02-07T12:00:00Z"
}