{
  "title": "Quicksort",
  "origin_url": "https://en.wikibooks.org/wiki/Prolog/Sorting",
  "license_guess": "Public Domain",
  "code_sha256": "1ba4bf0aff65da47e4be840347818f42e4146df1709bfa524c1aa20986ff1b69",
  "added_at": "2026-03-05T10:00:00Z"
}