- SHA1 checksums. Reverts identified this way are reflected in the revision_is_identity_reverted column.
- The mw-reverted tag. These reverts are identified through the tag being in the revision_tags column.
Once the October 2020 snapshot of MediaWiki History is available in early November, someone from the Product Analytics (most likely @nettrom_WMF) should run a comparison of edits and these revert detection approaches to identify where they overlap and where they differ.