Just launched a bunch of #p3k updates: * Webmention handler now accepts a "vouch" parameter. If you send one, it will attempt to verify the vouch and reject the mention if the vouch is not approved. For backwards compatibility right now, webmentions are still accepted without a vouch parameter. * Webmentions that are vouched will show the URL that vouched for them alongside the comment. * Inbound links from referers are tracked internally which I will eventually use when trying to find a vouch URL when I wa