Topic: Distro signing key expired warning during authenticity check
$ gpg --keyserver pgp.mit.edu --recv-key "C92B AA71 3B8D 53D3 CAE6 3FC9 E697 4752 F970 4456"
gpg: directory '/home/user/.gnupg' created
gpg: keybox '/home/user/.gnupg/pubring.kbx' created
gpg: /home/user/.gnupg/trustdb.gpg: trustdb created
gpg: key E6974752F9704456: public key "André Silva <emulatorman@hyperbola.info>" imported
gpg: Total number processed: 1
gpg: imported: 1
$ gpg --verify hyperbola-milky-way-v0.4.2-dual.iso.sha512.sig
gpg: assuming signed data in 'hyperbola-milky-way-v0.4.2-dual.iso.sha512'
gpg: Signature made Wed Dec 21 14:48:22 2022 PST
gpg: using RSA key C92BAA713B8D53D3CAE63FC9E6974752F9704456
gpg: Good signature from "André Silva <emulatorman@hyperbola.info>" [expired]
gpg: aka "André Silva <emulatorman@riseup.net>" [expired]
gpg: aka "[jpeg image of size 16875]" [expired]
gpg: Note: This key has expired!
Primary key fingerprint: C92B AA71 3B8D 53D3 CAE6 3FC9 E697 4752 F970 4456