gpg --verify *.sig parabola-x86_64-systemd-cli-2022.04-netinstall.iso

gpg: Signature made Sat 07 May 2022 03:26:26 AM PDT
gpg:                using RSA key FBCC5AD7421197B7ABA72853908710913E8C7778
gpg: Good signature from "bill-auger <bill-auger@peers.community>" [unknown]
gpg:                 aka "bill-auger <mr.j.spam.me@gmail.com>" [unknown]
gpg:                 aka "bill-auger <bill-auger@programmer.net>" [unknown]
gpg:                 aka "[jpeg image of size 6017]" [unknown]
gpg: Note: This key has expired!
Primary key fingerprint: 3954 A7AB 837D 0EA9 CFA9  7989 25DB 7D9B 5A8D 4B40
     Subkey fingerprint: FBCC 5AD7 4211 97B7 ABA7  2853 9087 1091 3E8C 7778
     

[[https://wiki.parabola.nu/Get_Parabola#Release_images_for_x86_64_and_i686_architectures]]