◈ NOTARIZEdocument signing on nostr
no identity

Your signing identity

On Nostr your identity is a keypair. Create one backed by a passkey, or log in to one you already have.

Relays

Where requests and signatures are published and fetched. One per line.

Email signing key

Verification emails are PGP-signed with this key.

What's this?
Every verification email we send is cleartext-signed with our PGP key. Import the public key into your mail client (or verify with gpg --verify) to confirm an email claiming to be from Notarize actually is — and wasn't forged or tampered with in transit.
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How this works
Each agreement is a Nostr addressable event (kind 31111) that stores the document's SHA-256 hash and lists the required signers by pubkey. To sign, each signer publishes a kind 1112event whose Schnorr signature — made with their own Nostr key — commits to that same hash. Verifying an agreement means recomputing the hash and checking every signer's event. The relays store and relay the events; nothing here is a trusted server or certificate authority — the math is the trust.