What if we could do one time notary verification of identity, tie it to a unique NPUB/NSEC and use it to sign/verify legal documents? Obviously this would be separate from a social NPUB and used exclusively for legal verification.

Am I overthinking this?

I still regularly have to print sign and scan documents for work. It’s challenging when traveling and Docusign is clunky and annoying. None of the options provide any real verification.

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Yeah, I am actually working on this problem. Happy to chat further

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 timestamp proof back to the group you’re signing with

Optional: they repeat the process to add their signature

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?

I like it. Though, the key from you that it would be requiring they have is just your npub. They need three things to verify your signature: your npub, the signature document, and the document the signature is about.