Obtaining certificate chain for libimages.princeton.edu, one moment while we download the libimages.princeton.edu certificate and related intermediate certificates...
Revocation check via OCSP and CRL for libimages.princeton.edu failed
Sorry, the request for libimages.princeton.edu could not be completed...
We could not load the certificate for libimages.princeton.edu, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Revoked certificates can't and should not be trusted, these certificate will cause errors like "NET::ERR_CERT_REVOKED" in browsers and expose a security risk.