Please input document verification number.

This verification service is available for 180 days from the day when a certificate is issued.

You can check the authenticity and originality by selecting one of the certificate verification methods below.
- Verification Code Number : Verification available for both general print certificates and digital certificates.
- ‘Time Stamp Seal’ stamp mark(time stamp mark) : It is possible to verify after installing a dedicated PDF viewer and verification program as an digital certificate verification method.
[Shortcut to Verification PDF Viewer and Program Installation Guide]