> Finally, the Ceremony Administrator can sign the KSR with the private key-signing key. He enters “Y” on a command prompt, and the dramatic portion of the ceremony is complete.
Title should contain a "(2015)" tag though, as this blog post was written about the 22nd ceremony:
https://www.iana.org/dnssec/ceremonies/22
Last ceremony, the 56th, was held on February 12[1]; next is on April 24[2].