Among the SSH fingerprints listed on the site there isn't one for the FreeBSD server.
Please confirm, whether or not the 2048-bit SSH key has a following SHA-256 fingerprint:
Iua3vKMMVRrXeUXEkSMs8JaPZ9oK06sqtYVlV8Qm9pA
MD5 fingerprint:
e1:ac:e3:2c:c4:d1:e5:9d:ed:e9:1a:e7:e5:2c:ed:f6
This information needs to be public, or at least available to the PUBNIX users.
tildeteam@lists.tildeverse.org