<?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[Logical clock]]></title><description><![CDATA[<p dir="auto">Would it be helpful to add an (optional) logical clock mechanism to ActivityPub?</p>
<p dir="auto"><a href="https://en.wikipedia.org/wiki/Logical_clock" target="_blank" rel="noopener noreferrer">https://en.wikipedia.org/wiki/Logical_clock</a></p>
<p dir="auto">For example, to handle Delete before Create or Undo before the activity being undone?</p>
]]></description><link>https://forum.pierobosio.it/topic/7520c132-8c95-45d5-ad04-08c9655ef01b/logical-clock</link><generator>RSS for Node</generator><lastBuildDate>Sun, 20 Sep 2026 17:15:49 GMT</lastBuildDate><atom:link href="https://forum.pierobosio.it/topic/7520c132-8c95-45d5-ad04-08c9655ef01b.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 03 Sep 2026 22:55:00 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to Logical clock on Sat, 05 Sep 2026 07:07:26 GMT]]></title><description><![CDATA[<p dir="auto">Good idea (esp. the optional). Do we know other protocols in the W3C space, that use this already?</p>
]]></description><link>https://forum.pierobosio.it/post/https://activitypub.space/post/2422</link><guid isPermaLink="true">https://forum.pierobosio.it/post/https://activitypub.space/post/2422</guid><dc:creator><![CDATA[lobingera@activitypub.space]]></dc:creator><pubDate>Sat, 05 Sep 2026 07:07:26 GMT</pubDate></item><item><title><![CDATA[Reply to Logical clock on Fri, 04 Sep 2026 15:35:10 GMT]]></title><description><![CDATA[<p dir="auto"><a href="/user/evan%40activitypub.space">@evan</a> I suppose it would be a helpful data point if one were implemented.</p>
<p dir="auto">For example, if every activity pertaining to a specific object were given an increasing counter recorded separately &lt;img class="not-responsive emoji" src="<a href="https://activitypub.space/assets/plugins/nodebb-plugin-emoji/emoji/android/1f937.png?v=4459463b5a0" target="_blank" rel="noopener noreferrer">https://activitypub.space/assets/plugins/nodebb-plugin-emoji/emoji/android/1f937.png?v=4459463b5a0</a>" title=":shrug:" /&gt;</p>
<p dir="auto">So long as it's standardized in some way, I don't see any reason why this would interfere with regular federation.</p>
]]></description><link>https://forum.pierobosio.it/post/https://activitypub.space/post/2421</link><guid isPermaLink="true">https://forum.pierobosio.it/post/https://activitypub.space/post/2421</guid><dc:creator><![CDATA[julian@activitypub.space]]></dc:creator><pubDate>Fri, 04 Sep 2026 15:35:10 GMT</pubDate></item></channel></rss>