Launchpad is currently archived by Software Heritage:
Launchpad is a Bazaar and Git hosting platform.
It provides a
git_date_last_modified field for each
repository, matching the last time the repository was updated;
which is passed as
last_update to the scheduler.
Software Heritage does not have a specific loader for Bitbucket; the BZR and Git loaders are used instead. Therefore, origin URLs are Launchpad canonical URL for the corresponding Bazaar or Git repository.