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://scipost.social/users/physics/statuses/114216871647241071", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-24T10:12:31Z", "url": "https://scipost.social/@physics/114216871647241071", "attributedTo": "https://scipost.social/users/physics", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://scipost.social/users/physics/followers" ], "sensitive": false, "atomUri": "https://scipost.social/users/physics/statuses/114216871647241071", "inReplyToAtomUri": null, "conversation": "tag:scipost.social,2025-03-24:objectId=684023:objectType=Conversation", "content": "<p>New <a href=\"https://scipost.social/tags/openaccess\" class=\"mention hashtag\" rel=\"tag\">#<span>openaccess</span></a> publication <a href=\"https://scipost.social/tags/SciPost\" class=\"mention hashtag\" rel=\"tag\">#<span>SciPost</span></a> <a href=\"https://scipost.social/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://scipost.social/tags/Codebases\" class=\"mention hashtag\" rel=\"tag\">#<span>Codebases</span></a></p><p>Quantum many-body simulations with PauliStrings.jl</p><p>Nicolas Loizeau, J. Clayton Peacock, Dries Sels</p><p>Paper:<br />SciPost Phys. Codebases 54 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCodeb.54\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCodeb.5</span><span class=\"invisible\">4</span></a></p><p>PauliStrings.jl v1.5:<br />SciPost Phys. Codebases 54-r1.5 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCodeb.54-r1.5\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCodeb.5</span><span class=\"invisible\">4-r1.5</span></a></p><p><a href=\"https://scipost.social/tags/NBI\" class=\"mention hashtag\" rel=\"tag\">#<span>NBI</span></a> <a href=\"https://scipost.social/tags/NYU\" class=\"mention hashtag\" rel=\"tag\">#<span>NYU</span></a> <a href=\"https://scipost.social/tags/Flatiron\" class=\"mention hashtag\" rel=\"tag\">#<span>Flatiron</span></a></p>", "contentMap": { "en": "<p>New <a href=\"https://scipost.social/tags/openaccess\" class=\"mention hashtag\" rel=\"tag\">#<span>openaccess</span></a> publication <a href=\"https://scipost.social/tags/SciPost\" class=\"mention hashtag\" rel=\"tag\">#<span>SciPost</span></a> <a href=\"https://scipost.social/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://scipost.social/tags/Codebases\" class=\"mention hashtag\" rel=\"tag\">#<span>Codebases</span></a></p><p>Quantum many-body simulations with PauliStrings.jl</p><p>Nicolas Loizeau, J. Clayton Peacock, Dries Sels</p><p>Paper:<br />SciPost Phys. Codebases 54 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCodeb.54\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCodeb.5</span><span class=\"invisible\">4</span></a></p><p>PauliStrings.jl v1.5:<br />SciPost Phys. Codebases 54-r1.5 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCodeb.54-r1.5\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCodeb.5</span><span class=\"invisible\">4-r1.5</span></a></p><p><a href=\"https://scipost.social/tags/NBI\" class=\"mention hashtag\" rel=\"tag\">#<span>NBI</span></a> <a href=\"https://scipost.social/tags/NYU\" class=\"mention hashtag\" rel=\"tag\">#<span>NYU</span></a> <a href=\"https://scipost.social/tags/Flatiron\" class=\"mention hashtag\" rel=\"tag\">#<span>Flatiron</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://scipost.social/system/media_attachments/files/114/216/871/552/848/819/original/9a00614f855d1c0b.png", "name": null, "blurhash": "U3SPU;?b.7?b_3M{s;Rj~qafRjRk%Lj]Rjj[", "width": 570, "height": 500 } ], "tag": [ { "type": "Hashtag", "href": "https://scipost.social/tags/openaccess", "name": "#openaccess" }, { "type": "Hashtag", "href": "https://scipost.social/tags/SciPost", "name": "#SciPost" }, { "type": "Hashtag", "href": "https://scipost.social/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://scipost.social/tags/codebases", "name": "#codebases" }, { "type": "Hashtag", "href": "https://scipost.social/tags/NBI", "name": "#NBI" }, { "type": "Hashtag", "href": "https://scipost.social/tags/NYU", "name": "#NYU" }, { "type": "Hashtag", "href": "https://scipost.social/tags/Flatiron", "name": "#Flatiron" } ], "replies": { "id": "https://scipost.social/users/physics/statuses/114216871647241071/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://scipost.social/users/physics/statuses/114216871647241071/replies?only_other_accounts=true&page=true", "partOf": "https://scipost.social/users/physics/statuses/114216871647241071/replies", "items": [] } } }