Recent releases of Rhino are signed using the GPG key:

greg+rhino@brail.org

which may be found using GPG at keyserver.ubuntu.com.

The fingerprint is below:

pub   rsa3072 2022-01-04 [SC]
      E9AF 5293 C334 C7C0 B583  227D 2F45 F85C DF08 2E68
uid           [ unknown] Gregory Brail (Rhino Automated Builds) <greg+rhino@brail.org>
sub   rsa3072 2022-01-04 [E]
