Man pages matching name cpan::checksums in section 3pm:

CPAN::Checksums.3pm.en	debian 10 / libcpan-checksums-perl
CPAN::Checksums.3pm.en	debian 11 / libcpan-checksums-perl
CPAN::Checksums.3pm.en	debian 12 / libcpan-checksums-perl