The University of Texas Electronic Identity (UT EIDUT EID The University of Texas Electronic Identity (UT EID or EID) is the public records identifier for principals at the university. See our Concepts page for more information. or EIDUT EID The University of Texas Electronic Identity (UT EID or EID) is the public records identifier for principals at the university. See our Concepts page for more information.) is the public records identifier for principals at the university. See our Concepts page for more information.