Choose a PDF
Select a PDF file up to 25 MB directly in your browser. The SHA-256 hash is computed in the browser, and only the hash is sent to the server.
Confirm with PIN2
A request arrives in the paiza app on your phone. Check that the verification code matches, then enter your PIN2 to approve.
Signed PDF
ETSI EN 319 142 PAdES B-LT profile. You get back a single PDF that includes an RFC 3161 timestamp from timeserver.mn and a QR verification page.