Tootfinder

It seems #TVmarks has broken with the #masotdon 4.6 upgrade.
This fix is what was needed to make posting stat updates to mastodon to work again:

fix activitypub signature keyId to include #main-key fragment · stefanhayden/tvmarks@c969275
Mastodon 4.6 (#38279) moved remote public keys into a keypairs table keyed by the exact publicKey.id URI and blanked the legacy account.public_key. Signing with the bare actor URI no longer resolve...