ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-11T13:50:52Z", "url": "https://mastodon.thi.ng/@toxi/114319651778770391", "attributedTo": "https://mastodon.thi.ng/users/toxi", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.thi.ng/users/toxi/followers" ], "sensitive": false, "atomUri": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391", "inReplyToAtomUri": null, "conversation": "tag:mastodon.thi.ng,2025-04-11:objectId=1651970:objectType=Conversation", "content": "<p>In recent years every spring seems to turn into a period of _massive_ refactoring &amp; restructuring in <a href=\"https://mastodon.thi.ng/tags/ThingUmbrella\" class=\"mention hashtag\" rel=\"tag\">#<span>ThingUmbrella</span></a> — maybe it&#39;s a form of spring cleaning, even though the reasons[1] are not seasonal... Currently spending my nights reworking the <a href=\"https://thi.ng/vectors\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">thi.ng/vectors</span><span class=\"invisible\"></span></a> package (likely one of the most comprehensive vector packages available for TS/JS) and trying out different splits/structures, testing their impact on package sizes and usability in existing downstream packages. Currently over 3000 source files with uncommitted changes... aaaarrrgghh! 🤯</p><p>Most functions (vector operations) in this package exist in multiple versions (many code generated, but now in need to be updated): Generic n-dimensional, loop-free, optimized 2D/3D/4D versions and strided versions for manipulating vectors views of larger nD data buffers (supporting all kinds of data layouts, incl. AOS, SOA, hybrid...)</p><p>[1] <a href=\"https://mastodon.thi.ng/@toxi/114296442006935718\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.thi.ng/@toxi/11429644</span><span class=\"invisible\">2006935718</span></a></p><p><a href=\"https://mastodon.thi.ng/tags/ThingUmbrella\" class=\"mention hashtag\" rel=\"tag\">#<span>ThingUmbrella</span></a> <a href=\"https://mastodon.thi.ng/tags/Vectors\" class=\"mention hashtag\" rel=\"tag\">#<span>Vectors</span></a> <a href=\"https://mastodon.thi.ng/tags/TypeScript\" class=\"mention hashtag\" rel=\"tag\">#<span>TypeScript</span></a> <a href=\"https://mastodon.thi.ng/tags/JavaScript\" class=\"mention hashtag\" rel=\"tag\">#<span>JavaScript</span></a> <a href=\"https://mastodon.thi.ng/tags/Refactoring\" class=\"mention hashtag\" rel=\"tag\">#<span>Refactoring</span></a> <a href=\"https://mastodon.thi.ng/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a></p>", "contentMap": { "en": "<p>In recent years every spring seems to turn into a period of _massive_ refactoring &amp; restructuring in <a href=\"https://mastodon.thi.ng/tags/ThingUmbrella\" class=\"mention hashtag\" rel=\"tag\">#<span>ThingUmbrella</span></a> — maybe it&#39;s a form of spring cleaning, even though the reasons[1] are not seasonal... Currently spending my nights reworking the <a href=\"https://thi.ng/vectors\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">thi.ng/vectors</span><span class=\"invisible\"></span></a> package (likely one of the most comprehensive vector packages available for TS/JS) and trying out different splits/structures, testing their impact on package sizes and usability in existing downstream packages. Currently over 3000 source files with uncommitted changes... aaaarrrgghh! 🤯</p><p>Most functions (vector operations) in this package exist in multiple versions (many code generated, but now in need to be updated): Generic n-dimensional, loop-free, optimized 2D/3D/4D versions and strided versions for manipulating vectors views of larger nD data buffers (supporting all kinds of data layouts, incl. AOS, SOA, hybrid...)</p><p>[1] <a href=\"https://mastodon.thi.ng/@toxi/114296442006935718\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.thi.ng/@toxi/11429644</span><span class=\"invisible\">2006935718</span></a></p><p><a href=\"https://mastodon.thi.ng/tags/ThingUmbrella\" class=\"mention hashtag\" rel=\"tag\">#<span>ThingUmbrella</span></a> <a href=\"https://mastodon.thi.ng/tags/Vectors\" class=\"mention hashtag\" rel=\"tag\">#<span>Vectors</span></a> <a href=\"https://mastodon.thi.ng/tags/TypeScript\" class=\"mention hashtag\" rel=\"tag\">#<span>TypeScript</span></a> <a href=\"https://mastodon.thi.ng/tags/JavaScript\" class=\"mention hashtag\" rel=\"tag\">#<span>JavaScript</span></a> <a href=\"https://mastodon.thi.ng/tags/Refactoring\" class=\"mention hashtag\" rel=\"tag\">#<span>Refactoring</span></a> <a href=\"https://mastodon.thi.ng/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a></p>" }, "updated": "2025-04-11T13:51:30Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/thingumbrella", "name": "#thingumbrella" }, { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/vectors", "name": "#vectors" }, { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/typescript", "name": "#typescript" }, { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/javascript", "name": "#javascript" }, { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/refactoring", "name": "#refactoring" }, { "type": "Hashtag", "href": "https://mastodon.thi.ng/tags/opensource", "name": "#opensource" } ], "replies": { "id": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391/replies", "items": [] } }, "likes": { "id": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.thi.ng/users/toxi/statuses/114319651778770391/shares", "type": "Collection", "totalItems": 1 } }