{
  "title": "ISBN13 Check Digit",
  "origin_url": "https://rosettacode.org/wiki/ISBN13_check_digit#OmniMark",
  "license_guess": "GFDL",
  "code_sha256": "643ef5cbc9228b30216819f97e9325d9dcaa8b4f2e0c86f12a16e8f48ffcc4d0",
  "added_at": "2026-02-09T09:43:50Z"
}