Verify

Same note, same fingerprint

Paste the JSON of a note. Your browser recomputes its fingerprint and looks it up in the provenance book, with the wallet that anchored it and every co-sign.

Paste the note JSON

Upload .json

The fingerprint is keccak-256 of the canonical JSON: keys sorted at every level, no spaces, text in Unicode NFC. Any change to any character gives a different fingerprint. Nothing you paste leaves this browser.

Result

Paste a note exported from the workspace (Download canonical JSON), or any JSON you want to fingerprint.