[1] [CITE@en[Draft: PubSubHubbub Core 0.1 -- Working Draft]]
([TIME[2009-07-20 07:31:37 +09:00]] 版)
<http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub-core-0.1.html>

[2] [CITE@en[RFC 5988 - Web Linking]]
( ([TIME[2012-03-22 09:19:11 +09:00]] 版))
<http://tools.ietf.org/html/rfc5988#page-13>

[3] [CITE[RssFeeds - pubsubhubbub - Support of RSS in PubSubHubbub - A simple, open, webhook based pubsub protocol & open source reference implementation. - Google Project Hosting]]
([TIME[2015-01-27 16:07:48 +09:00]] 版)
<https://code.google.com/p/pubsubhubbub/wiki/RssFeeds>

[FIG(quote)[
[FIGCAPTION[
[4] [CITE@en[Draft: PubSubHubbub Core 0.4 -- Working Draft]]
([TIME[2015-03-16 20:29:54 +09:00]] 版)
<https://pubsubhubbub.googlecode.com/git/pubsubhubbub-core-0.4.html>
]FIGCAPTION]

> The HTTP '''['''RFC2616''']''' response from the publisher MUST include at least one Link Header '''['''RFC5988''']''' with rel=hub (a hub link header) 

]FIG]


[FIG(quote)[
[FIGCAPTION[
[5] ([TIME[2016-03-19 16:58:58 +09:00]] 版)
<https://pukiwiki.logue.be/?cmd=feed>
]FIGCAPTION]

> 
>     <atom:link rel="hub" href="https://pubsubhubbub.appspot.com"/>
>     <atom:link rel="hub" href="https://pubsubhubbub.superfeedr.com"/>

]FIG]