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.online/users/KilleansRow/statuses/114255119217200871", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-31T04:19:23Z", "url": "https://mastodon.online/@KilleansRow/114255119217200871", "attributedTo": "https://mastodon.online/users/KilleansRow", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.online/users/KilleansRow/followers" ], "sensitive": false, "atomUri": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871", "inReplyToAtomUri": null, "conversation": "tag:mastodon.online,2025-03-31:objectId=485431063:objectType=Conversation", "content": "<p>1/2 The intersection of <a href=\"https://mastodon.online/tags/TheoreticalPhysics\" class=\"mention hashtag\" rel=\"tag\">#<span>TheoreticalPhysics</span></a>, <a href=\"https://mastodon.online/tags/QuantumComputation\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumComputation</span></a> and <a href=\"https://mastodon.online/tags/InformationComplexity\" class=\"mention hashtag\" rel=\"tag\">#<span>InformationComplexity</span></a> represents the leading edge of Science and technology in many areas.Advanced students &amp; researchers looking at new questions can avail themselves of videos like this w/ <a href=\"https://mastodon.online/tags/DanielHarlow\" class=\"mention hashtag\" rel=\"tag\">#<span>DanielHarlow</span></a> and <a href=\"https://mastodon.online/tags/BrianGreene\" class=\"mention hashtag\" rel=\"tag\">#<span>BrianGreene</span></a> via WorldScienceFestival:</p><p>Are Space and Time Created by Quantum Error Correction ?<br /><a href=\"https://youtu.be/XbL64sz8dQI?si=UgXOxfQsz-d-moV9\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtu.be/XbL64sz8dQI?si=UgXOxf</span><span class=\"invisible\">Qsz-d-moV9</span></a> </p><p>Also <a href=\"https://mastodon.online/tags/StringTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>StringTheory</span></a> prereq via <a href=\"https://mastodon.online/tags/EdFrenkel\" class=\"mention hashtag\" rel=\"tag\">#<span>EdFrenkel</span></a> over at <a href=\"https://mastodon.online/tags/CurtJaimungal\" class=\"mention hashtag\" rel=\"tag\">#<span>CurtJaimungal</span></a> ‘s place:<br /><a href=\"https://youtu.be/v72ZaxZQXRI?si=NfOHFBOHcz3uDTYi\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtu.be/v72ZaxZQXRI?si=NfOHFB</span><span class=\"invisible\">OHcz3uDTYi</span></a></p>", "contentMap": { "en": "<p>1/2 The intersection of <a href=\"https://mastodon.online/tags/TheoreticalPhysics\" class=\"mention hashtag\" rel=\"tag\">#<span>TheoreticalPhysics</span></a>, <a href=\"https://mastodon.online/tags/QuantumComputation\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumComputation</span></a> and <a href=\"https://mastodon.online/tags/InformationComplexity\" class=\"mention hashtag\" rel=\"tag\">#<span>InformationComplexity</span></a> represents the leading edge of Science and technology in many areas.Advanced students &amp; researchers looking at new questions can avail themselves of videos like this w/ <a href=\"https://mastodon.online/tags/DanielHarlow\" class=\"mention hashtag\" rel=\"tag\">#<span>DanielHarlow</span></a> and <a href=\"https://mastodon.online/tags/BrianGreene\" class=\"mention hashtag\" rel=\"tag\">#<span>BrianGreene</span></a> via WorldScienceFestival:</p><p>Are Space and Time Created by Quantum Error Correction ?<br /><a href=\"https://youtu.be/XbL64sz8dQI?si=UgXOxfQsz-d-moV9\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtu.be/XbL64sz8dQI?si=UgXOxf</span><span class=\"invisible\">Qsz-d-moV9</span></a> </p><p>Also <a href=\"https://mastodon.online/tags/StringTheory\" class=\"mention hashtag\" rel=\"tag\">#<span>StringTheory</span></a> prereq via <a href=\"https://mastodon.online/tags/EdFrenkel\" class=\"mention hashtag\" rel=\"tag\">#<span>EdFrenkel</span></a> over at <a href=\"https://mastodon.online/tags/CurtJaimungal\" class=\"mention hashtag\" rel=\"tag\">#<span>CurtJaimungal</span></a> ‘s place:<br /><a href=\"https://youtu.be/v72ZaxZQXRI?si=NfOHFBOHcz3uDTYi\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtu.be/v72ZaxZQXRI?si=NfOHFB</span><span class=\"invisible\">OHcz3uDTYi</span></a></p>" }, "updated": "2025-03-31T04:21:02Z", "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.online/media_attachments/files/114/255/123/337/901/481/original/805a7708eb300beb.jpeg", "name": null, "blurhash": "UGE-~:-ro}0f%1E3S1Ip0f$yxGt7E2s,jGof", "width": 1585, "height": 795 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.online/tags/theoreticalphysics", "name": "#theoreticalphysics" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/quantumcomputation", "name": "#quantumcomputation" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/informationcomplexity", "name": "#informationcomplexity" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/danielharlow", "name": "#danielharlow" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/briangreene", "name": "#briangreene" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/stringtheory", "name": "#stringtheory" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/edfrenkel", "name": "#edfrenkel" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/CurtJaimungal", "name": "#CurtJaimungal" } ], "replies": { "id": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871/replies?min_id=114255181331711113&page=true", "partOf": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871/replies", "items": [ "https://mastodon.online/users/KilleansRow/statuses/114255181331711113" ] } }, "likes": { "id": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.online/users/KilleansRow/statuses/114255119217200871/shares", "type": "Collection", "totalItems": 0 } }