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://sciencemastodon.com/users/vy/statuses/113917635528122885", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-30T13:52:51Z", "url": "https://sciencemastodon.com/@vy/113917635528122885", "attributedTo": "https://sciencemastodon.com/users/vy", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sciencemastodon.com/users/vy/followers" ], "sensitive": false, "atomUri": "https://sciencemastodon.com/users/vy/statuses/113917635528122885", "inReplyToAtomUri": null, "conversation": "tag:sciencemastodon.com,2025-01-30:objectId=29438686:objectType=Conversation", "content": "<p>Rabina Scott Finite Automat and Their Decision Problems</p><p><a href=\"https://www.yodaiken.com/2025/01/30/rabina-scott-finite-automat-and-their-decision-problems/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">yodaiken.com/2025/01/30/rabina</span><span class=\"invisible\">-scott-finite-automat-and-their-decision-problems/</span></a><br /><a href=\"https://sciencemastodon.com/tags/academics\" class=\"mention hashtag\" rel=\"tag\">#<span>academics</span></a> <a href=\"https://sciencemastodon.com/tags/theory\" class=\"mention hashtag\" rel=\"tag\">#<span>theory</span></a> <a href=\"https://sciencemastodon.com/tags/AutomataTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>AutomataTheory</span></a> <a href=\"https://sciencemastodon.com/tags/FiniteAutomate\" class=\"mention hashtag\" rel=\"tag\">#<span>FiniteAutomate</span></a> <a href=\"https://sciencemastodon.com/tags/Rabin\" class=\"mention hashtag\" rel=\"tag\">#<span>Rabin</span></a> <a href=\"https://sciencemastodon.com/tags/Scott\" class=\"mention hashtag\" rel=\"tag\">#<span>Scott</span></a> <a href=\"https://sciencemastodon.com/tags/StateMachines\" class=\"mention hashtag\" rel=\"tag\">#<span>StateMachines</span></a></p>", "contentMap": { "en": "<p>Rabina Scott Finite Automat and Their Decision Problems</p><p><a href=\"https://www.yodaiken.com/2025/01/30/rabina-scott-finite-automat-and-their-decision-problems/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">yodaiken.com/2025/01/30/rabina</span><span class=\"invisible\">-scott-finite-automat-and-their-decision-problems/</span></a><br /><a href=\"https://sciencemastodon.com/tags/academics\" class=\"mention hashtag\" rel=\"tag\">#<span>academics</span></a> <a href=\"https://sciencemastodon.com/tags/theory\" class=\"mention hashtag\" rel=\"tag\">#<span>theory</span></a> <a href=\"https://sciencemastodon.com/tags/AutomataTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>AutomataTheory</span></a> <a href=\"https://sciencemastodon.com/tags/FiniteAutomate\" class=\"mention hashtag\" rel=\"tag\">#<span>FiniteAutomate</span></a> <a href=\"https://sciencemastodon.com/tags/Rabin\" class=\"mention hashtag\" rel=\"tag\">#<span>Rabin</span></a> <a href=\"https://sciencemastodon.com/tags/Scott\" class=\"mention hashtag\" rel=\"tag\">#<span>Scott</span></a> <a href=\"https://sciencemastodon.com/tags/StateMachines\" class=\"mention hashtag\" rel=\"tag\">#<span>StateMachines</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/sciencemastodoncom/media_attachments/files/113/917/635/430/654/770/original/a567405d11a55317.jpg", "name": null, "blurhash": "UFF;yLuM9]-A0y8|E2OXtkX8r@r?$QXRxt-n", "width": 768, "height": 498 } ], "tag": [ { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/academics", "name": "#academics" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/theory", "name": "#theory" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/automatatheory", "name": "#automatatheory" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/finiteautomate", "name": "#finiteautomate" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/rabin", "name": "#rabin" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/scott", "name": "#scott" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/StateMachines", "name": "#StateMachines" } ], "replies": { "id": "https://sciencemastodon.com/users/vy/statuses/113917635528122885/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sciencemastodon.com/users/vy/statuses/113917635528122885/replies?only_other_accounts=true&page=true", "partOf": "https://sciencemastodon.com/users/vy/statuses/113917635528122885/replies", "items": [] } }, "likes": { "id": "https://sciencemastodon.com/users/vy/statuses/113917635528122885/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://sciencemastodon.com/users/vy/statuses/113917635528122885/shares", "type": "Collection", "totalItems": 0 } }