How our verification works


We cryptographically sign all printed certificates with our private keys.

This signature is embedded with the certificates details in an URL / QRCode that can be scanned to check the certificates authenticity at any time.

The verification URL page must be:

We publish our public keys, used for verification, below:

Public Keys

Key Start Date End Date
04506d12eefd77ebe24598469d9cbb81f9445f759be9c73b032e087f1565f049b1133d3150f06a55bbab39dc5e130988632f3a181eddec86ca46badcf4c6a68a09 2021-01-01T00:00:00Z 2022-01-01T00:00:00Z
0415b3452ddce59f9dfaa4249618774bd5791fbb2f79ce39bc79dfe83f9ffb18f9e61bf3f2304a282d305127f038f1cf0c85b1f273e1ebb8629dbc077bd8c4f1de 2022-01-01T00:00:00Z 2023-01-01T00:00:00Z
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