$ cpanm --from https://www.cpan.org/ --verify Roman 2>&1 | tee Roman.tmp
--> Working on Roman
Fetching https://www.cpan.org/authors/id/C/CH/CHORNY/Roman-1.24.tar.gz ... OK
Fetching https://www.cpan.org/authors/id/C/CH/CHORNY/CHECKSUMS ... OK
Configuring Roman-1.24 ... OK
Building and testing Roman-1.24 ... OK
Successfully installed Roman-1.24
1 distribution installed