Check the authenticity and integrity of any document signed with SignQuick.
How does verification work?
Step 1Upload the PDFYour signed document is sent over an encrypted connection
Step 2The fingerprint is computedA unique SHA-256 fingerprint is generated
Step 3Compared with the recordThe fingerprint is checked against the one recorded when the document was signed
Step 1Upload the PDFYour signed document is sent over an encrypted connection
Step 2The fingerprint is computedA unique SHA-256 fingerprint is generated
Step 3Compared with the recordThe fingerprint is checked against the one recorded when the document was signed
Every document signed with SignQuick is sealed with a unique SHA-256 cryptographic hash. When you verify a document, we recalculate this hash and compare it against our records. Any modification to the document, even a single pixel, will produce a different hash, instantly revealing tampering.