Errors

valid_signature
gpg: Signature made Sat 30 Nov 2024 03:39:28 AM JST
gpg:                using EDDSA key A81B6A260603AB587941031E02878CF3ACCB6C24
gpg:                issuer "jmates@thrig.me"
gpg: requesting key 02878CF3ACCB6C24 from hkp server keyserver.ubuntu.com
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==