Sign the dist as the last step before creating the archive. Take care not to modify/regenerate dist meta files or the manifest.

Error: gpg: Signature made Mon 12 Sep 2022 11:15:27 PM JST gpg: using RSA key 4532DCD504F1A96855BCF79E826A8D2F39576917 gpg: Can't check signature: No public key --- SIGNATURE Mon Sep 12 23:15:27 2022 +++ @@ -3,7 +3,7 @@ SHA256 4960224af19dbf05d8afc6118bfd7949e7d13f0285359cae65aecf46c00dacf6 Form.pm SHA256 52b72014939c085c49882a3a6ab4d4bfc0b9f81754e52e275431ace922ad2352 Form/Input.pm SHA256 6a01c8ca9cc78d9c46a65d1b8ae61f1a37b77cdf5f0a4075d85ed227e0d1784b LICENSE -SHA256 eb9a4690ddcdf0f181a7eab3af3b34e1615563e14cd4551cf733034f9a204b35 MANIFEST +SHA256 1b47927ff3ee751da027dcf243747fca4ad8c2293f6bced97336189ae825d182 MANIFEST SHA256 c1783a882ee88f084b061ec5f9e29e03a3d47e51a088069f286a91c7ee343a46 META.yml SHA256 e4a1bb607b7967dd38a441bdb54697072711c7379a8fa6bbcbfb8e8d205da736 Makefile.PL SHA256 d52ca62e021fb18d941e11acdad8c3d2f9f55f44277fb23d080290df6ce151c2 README ==> MISMATCHED content between SIGNATURE and distribution files! <==

Add a META.json to the distribution. Your buildtool should be able to autogenerate it.

Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.