Verification failed on both of them… 
Mac:downloads home$ gpg --verify-options show-notations --verify Whonix-Workstation-.ova.asc Whonix-Workstation-.ova
gpg: Signature made Mon Nov 16 18:12:18 2015 EET using RSA key ID 77BB3C48
gpg: Good signature from “Patrick Schleizer adrelanos@riseup.net” [unknown]
gpg: Signature notation: issuer-fpr@notations.openpgp.fifthhorseman.net=6E979B28A6F37C43BE30AFA1CB8D50BB77BB3C48
gpg: Signature notation: file@name=Whonix-Workstation-12.0.0.3.2.ova
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 916B 8D99 C38E AF5E 8ADC 7A2A 8D66 066A 2EEA CCDA
Subkey fingerprint: 6E97 9B28 A6F3 7C43 BE30 AFA1 CB8D 50BB 77BB 3C48