Every document signed through Vigilbase One ends with a certificate of completion. The certificate has a QR code and a link to a verification page at https://one.vigilbase.com/public/verify/<reference>. Anyone who holds the PDF can use it to check that the file has not been changed.
Check a PDF
Open the verification page. Scan the QR code on the certificate, or open the link printed next to it. The page shows the request's Reference, Status and when it was Completed.
Add the PDF. Drop the file on the page or select Choose PDF.
Read the result.
The file stays on your device. Your browser calculates its SHA-256 fingerprint and only that fingerprint is sent to Vigilbase.
| Result | Meaning |
|---|---|
| Authentic signed copy | The file is byte for byte the signed PDF Vigilbase sealed, including the certificate of completion. |
| This is the unsigned original | The file is the document as sent for signature, before anyone signed it. |
| Not a match | The file differs from every copy Vigilbase recorded for this reference. It may have been edited, re-saved or printed to a new PDF. |
When the file matches, the page also shows the document's details, who sent it, and each signer with how they verified and when they signed. When it does not match, the page shows only the reference, status and completion date.