<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[For ActivityPub developers: in a Signature header, what is the key ID?]]></title><description><![CDATA[<p>For ActivityPub developers: in a Signature header, what is the key ID?</p><p><a href="https://cosocial.ca/tags/EvanPoll" rel="tag">#<span>EvanPoll</span></a> <a href="https://cosocial.ca/tags/poll" rel="tag">#<span>poll</span></a> <a href="https://cosocial.ca/tags/ActivityPub" rel="tag">#<span>ActivityPub</span></a></p>]]></description><link>https://citiverse.it/topic/add77378-c67a-4b35-b1d7-fdd7c44c2441/for-activitypub-developers-in-a-signature-header-what-is-the-key-id</link><generator>RSS for Node</generator><lastBuildDate>Thu, 14 May 2026 23:00:02 GMT</lastBuildDate><atom:link href="https://citiverse.it/topic/add77378-c67a-4b35-b1d7-fdd7c44c2441.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 14 May 2026 21:27:59 GMT</pubDate><ttl>60</ttl></channel></rss>