The web interface is pretty self explanatory. It is called "FilerView".
https://pilsner-a.club.cc.cmu.edu/na_admin/
boron:/media/pilsner-a/etc/keymgr/cert# openssl x509 -noout -in ./secureadmin.pem -fingerprint SHA1 Fingerprint=27:FF:6F:74:E3:FC:2A:14:66:05:C8:75:8C:8B:98:1F:BC:71:5A:A0
https://pilsner-b.club.cc.cmu.edu/na_admin/
boron:/media/pilsner-b/etc/keymgr/cert# openssl x509 -noout -in ./secureadmin.pem -fingerprint SHA1 Fingerprint=85:8F:10:AD:22:1B:6B:C1:4E:BF:40:F8:93:2A:85:39:36:49:00:F2
https://weizen-a.club.cc.cmu.edu/na_admin/
boron:/media/weizen-a/etc/keymgr/cert# openssl x509 -noout -in ./secureadmin.pem -fingerprint SHA1 Fingerprint=32:70:42:13:9A:34:B7:1A:5B:F9:CB:D9:03:FA:D6:3D:70:5D:E9:87
https://weizen-b.club.cc.cmu.edu/na_admin/
boron:/media/weizen-b/etc/keymgr/cert# openssl x509 -noout -in ./secureadmin.pem -fingerprint SHA1 Fingerprint=1C:49:5D:50:27:57:DD:D6:09:01:0C:46:56:D5:DC:C0:26:2D:05:01