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

Error: Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer. gpg: Signature made Sun 12 Nov 2017 08:52:14 AM JST gpg: using RSA key C66FB5C771CA9F3C gpg: Can't check signature: No public key ==> BAD/TAMPERED signature detected! <==

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.