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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-28T12:28:31Z", "url": "https://mastodon.social/@stefanhoeltgen/114240055668633844", "attributedTo": "https://mastodon.social/users/stefanhoeltgen", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/stefanhoeltgen/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-28:objectId=957661592:objectType=Conversation", "content": "<p>It&#39;s done! I have just given print approval for &quot;Medientechnisches Wissen Vol. 1&quot;, 2nd edition. The book, originally published on 2017, grew from 306 to 428 pages - mostly because of an additional chapter on <a href=\"https://mastodon.social/tags/archaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>archaeology</span></a>. </p><p><a href=\"https://www.degruyter.com/document/isbn/9783111036540/html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">degruyter.com/document/isbn/97</span><span class=\"invisible\">83111036540/html</span></a></p><p><a href=\"https://mastodon.social/tags/MediaScience\" class=\"mention hashtag\" rel=\"tag\">#<span>MediaScience</span></a> <a href=\"https://mastodon.social/tags/MediaArchaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>MediaArchaeology</span></a> <a href=\"https://mastodon.social/tags/Logics\" class=\"mention hashtag\" rel=\"tag\">#<span>Logics</span></a> <a href=\"https://mastodon.social/tags/InformationTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>InformationTheory</span></a> <a href=\"https://mastodon.social/tags/Cybernetics\" class=\"mention hashtag\" rel=\"tag\">#<span>Cybernetics</span></a></p>", "contentMap": { "de": "<p>It&#39;s done! I have just given print approval for &quot;Medientechnisches Wissen Vol. 1&quot;, 2nd edition. The book, originally published on 2017, grew from 306 to 428 pages - mostly because of an additional chapter on <a href=\"https://mastodon.social/tags/archaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>archaeology</span></a>. </p><p><a href=\"https://www.degruyter.com/document/isbn/9783111036540/html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">degruyter.com/document/isbn/97</span><span class=\"invisible\">83111036540/html</span></a></p><p><a href=\"https://mastodon.social/tags/MediaScience\" class=\"mention hashtag\" rel=\"tag\">#<span>MediaScience</span></a> <a href=\"https://mastodon.social/tags/MediaArchaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>MediaArchaeology</span></a> <a href=\"https://mastodon.social/tags/Logics\" class=\"mention hashtag\" rel=\"tag\">#<span>Logics</span></a> <a href=\"https://mastodon.social/tags/InformationTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>InformationTheory</span></a> <a href=\"https://mastodon.social/tags/Cybernetics\" class=\"mention hashtag\" rel=\"tag\">#<span>Cybernetics</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/240/046/121/651/237/original/b8a9129d10e927af.jpg", "name": null, "blurhash": "U8Daou~CEM$iI:M{M{j[EMS$%LWq9ZM{oJWB", "width": 912, "height": 1204 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/240/046/129/896/435/original/dae432ba248e7f1a.jpg", "name": null, "blurhash": "UEH,P2100fE2KRxti^Rj5Rs-s:xZD%adxut7", "width": 926, "height": 1204 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/archaeology", "name": "#archaeology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mediascience", "name": "#mediascience" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mediaarchaeology", "name": "#mediaarchaeology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/logics", "name": "#logics" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/informationtheory", "name": "#informationtheory" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/cybernetics", "name": "#cybernetics" } ], "replies": { "id": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.social/users/stefanhoeltgen/statuses/114240055668633844/shares", "type": "Collection", "totalItems": 1 } }