I have updated my key pair; how do I resend the new public key?

You can resend the new public key using the below link for Farm user:-
https://hippo.ucdavis.edu/Farm/myaccount

For Franklin user:
https://hippo.ucdavis.edu/Franklin/myaccount 

For Peloton user:
https://hippo.ucdavis.edu/Peloton/myaccount