Verify a proof bundle

Re-check a downloaded certificate, independently

Drop a proof bundle (.zip) downloaded from any Creation Certificate. It is re-verified entirely in your browser — the conclusion does not depend on Timbrica.

Drop a proof bundle (.zip) here

Or an image carrying a Content Credential

ZIP · JPG · PNG

The canonical-hash and RFC 3161 checks run fully offline. The Bitcoin check needs internet to reach a public block explorer — but never needs Timbrica.