Proof Integration Guide is dead

Currentry, is 404.

Last snapshot: https://web.archive.org/web/20221209092800/https://book.keybase.io/guides/proof-integration-guide

I could not find any mention of this on the internet, has this feature been cancelled? Or, has it been accidentally deleted?

Check the current proof-integration-guide URL against the linked Internet Archive snapshot, then search the repository and Keybase documentation for references to the guide or feature. Done means establishing whether the guide was removed or the feature was cancelled and recording the confirmed status in the relevant documentation or issue discussion.

Written by the indexing model from the issue text.