Errors

valid_signature
gpg: Signature made Tue 12 Nov 2024 01:18:55 AM JST
gpg:                using DSA key 8841C1C91C9320CF3CD739F5637D9252D7715B49
gpg:                issuer "gws@cpan.org"
gpg: requesting key 637D9252D7715B49 from hkp server keyserver.ubuntu.com
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==