You can see examples of our validators as follows:
University of Nicosia: https://www.unic.ac.cy/verify/
University of Finance and Economics Mongolia: https://www.ufe.edu.mn/English/Default.aspx?page=9067
Ayia Napa Municipality: https://www.ayianapa.org.cy/validator.php
Please note that the list is not exhaustive as our technology is Open Source Code.