Certificate Verification

No certificate found for this ID.

Check the ID from the certificate and enter it below.

Issued record

Recipient
Workshop
Issued
Issuer
Certificate ID

Confirm this is the authentic file

Drop the certificate PDF here. Nothing is uploaded — the check runs entirely in your browser.

Drop the PDF here, or choose a file

We compare it against the signed, issued record.

Independent date proof (optional)

Each certificate is also anchored to the Bitcoin blockchain via OpenTimestamps, which proves the issue date without trusting this site. To check it, take the certificate's .ots file and the PDF to opentimestamps.org and drop both in.