OID value: 2.16.840.1.114412.1.1
OID description:
Found it on the certificate for https://www.cs.umd.edu. According to https://cabforum.org/object-registry/ it means it's an Extended Validation certificate.
URL for further info: https://cabforum.org/object-registry/
See also the OID Repository website reference for 2.16.840.1.114412.1.1