Maybe the flow is Nostr app (or key holding app to:
sign with selected identity,
the app uses open timestamps to lock that signature into a specific place in time,
the signed file along with the ti...
What would be very cool is if you could leave an encrypted signature on anything anywhere without it having to be part of a group request. Like if I could sign a pdf, save it to my computer, email it to someone and the signature stayed intact and verifiable. Anyone with a question about it could look at the NPUB and verify it was me. Maybe even offer the option to require that they have a key I provide to check/verify my signature?
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