fied registry.</p>
<p>Once a package is published with a given name and version, that
specific name and version combination can never be used again, even if
it is removed with <a href="../cli/npm-unpublish.html">npm-unpublish(1)</a>.</p>
<p>As of <code>npm@5</code>, both a sha1sum and an integrity field with a sha512sum of the
tarball will be submitted to the registry during publication. Subsequent
installs will use the strongest supported algorithm to verify downloads.</p>
<p>Similar to <code>--dry-run</co