@@ 334,6 334,12 @@ updates for a given software package in a single place and have them
affect the whole system---something that bundled copies prevent.
@item
+If the authors of the packaged software provide a cryptographic
+signature for the release tarball, make an effort to verify the
+authenticity of the archive. For a detached GPG signature file this
+would be done with the @code{gpg --verify} command.
+
+@item
Take a look at the profile reported by @command{guix size}
(@pxref{Invoking guix size}). This will allow you to notice references
to other packages unwillingly retained. It may also help determine