Errors

valid_signature

gpg: Signature made Wed 20 Nov 2024 10:32:13 AM JST
gpg:                using DSA key 048DA850208C93460C4801BD362E3ABC9D2E4135
gpg: requesting key 362E3ABC9D2E4135 from hkp server keyserver.ubuntu.com
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==