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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/rmathew/statuses/114093356029432964", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-02T14:40:53Z", "url": "https://mastodon.social/@rmathew/114093356029432964", "attributedTo": "https://mastodon.social/users/rmathew", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/rmathew/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/rmathew/statuses/114093356029432964", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-02:objectId=935015648:objectType=Conversation", "content": "<p>“What I Saw At The Evolution Of Plan 9” [PDF], Geoff Collyer (<a href=\"https://adi.onl/oral.pdf\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">adi.onl/oral.pdf</span><span class=\"invisible\"></span></a>).</p><p>Via HN: <a href=\"https://news.ycombinator.com/item?id=43108977\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3108977</span></a></p><p><a href=\"https://mastodon.social/tags/Plan9\" class=\"mention hashtag\" rel=\"tag\">#<span>Plan9</span></a> <a href=\"https://mastodon.social/tags/OS\" class=\"mention hashtag\" rel=\"tag\">#<span>OS</span></a> <a href=\"https://mastodon.social/tags/Unix\" class=\"mention hashtag\" rel=\"tag\">#<span>Unix</span></a> <a href=\"https://mastodon.social/tags/ComputerHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputerHistory</span></a> <a href=\"https://mastodon.social/tags/BellLabs\" class=\"mention hashtag\" rel=\"tag\">#<span>BellLabs</span></a> <a href=\"https://mastodon.social/tags/OperatingSystems\" class=\"mention hashtag\" rel=\"tag\">#<span>OperatingSystems</span></a> <a href=\"https://mastodon.social/tags/P9\" class=\"mention hashtag\" rel=\"tag\">#<span>P9</span></a></p>", "contentMap": { "en": "<p>“What I Saw At The Evolution Of Plan 9” [PDF], Geoff Collyer (<a href=\"https://adi.onl/oral.pdf\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">adi.onl/oral.pdf</span><span class=\"invisible\"></span></a>).</p><p>Via HN: <a href=\"https://news.ycombinator.com/item?id=43108977\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3108977</span></a></p><p><a href=\"https://mastodon.social/tags/Plan9\" class=\"mention hashtag\" rel=\"tag\">#<span>Plan9</span></a> <a href=\"https://mastodon.social/tags/OS\" class=\"mention hashtag\" rel=\"tag\">#<span>OS</span></a> <a href=\"https://mastodon.social/tags/Unix\" class=\"mention hashtag\" rel=\"tag\">#<span>Unix</span></a> <a href=\"https://mastodon.social/tags/ComputerHistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ComputerHistory</span></a> <a href=\"https://mastodon.social/tags/BellLabs\" class=\"mention hashtag\" rel=\"tag\">#<span>BellLabs</span></a> <a href=\"https://mastodon.social/tags/OperatingSystems\" class=\"mention hashtag\" rel=\"tag\">#<span>OperatingSystems</span></a> <a href=\"https://mastodon.social/tags/P9\" class=\"mention hashtag\" rel=\"tag\">#<span>P9</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/plan9", "name": "#plan9" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/os", "name": "#os" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/unix", "name": "#unix" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/computerhistory", "name": "#computerhistory" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/belllabs", "name": "#belllabs" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/operatingsystems", "name": "#operatingsystems" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/p9", "name": "#p9" } ], "replies": { "id": "https://mastodon.social/users/rmathew/statuses/114093356029432964/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/rmathew/statuses/114093356029432964/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/rmathew/statuses/114093356029432964/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/rmathew/statuses/114093356029432964/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.social/users/rmathew/statuses/114093356029432964/shares", "type": "Collection", "totalItems": 1 } }