[1] Private-Webmention - IndieWeb (2016-12-21 07:15:51 +09:00) <https://indieweb.org/Private-Webmention>
[2] First draft of Private Webmention sending • Aaron Parecki (2017-01-13 17:17:10 +09:00) <https://aaronparecki.com/2016/09/30/12/private-webmentions>