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://academiccloud.social/users/mpi_grav/statuses/114674542328244186", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-13T06:04:12Z", "url": "https://academiccloud.social/@mpi_grav/114674542328244186", "attributedTo": "https://academiccloud.social/users/mpi_grav", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://academiccloud.social/users/mpi_grav/followers" ], "sensitive": false, "atomUri": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186", "inReplyToAtomUri": null, "conversation": "tag:academiccloud.social,2025-06-13:objectId=3562742:objectType=Conversation", "content": "<p>🍵 Breakfast reading tip: Our research covered by Science News ☕</p><p>“Here’s how a collision of star remnants launches a gleaming jet – An enlarged magnetic field plays a crucial role”</p><p>📰 <a href=\"https://www.sciencenews.org/article/how-neutron-star-collision-launches-jet\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">sciencenews.org/article/how-ne</span><span class=\"invisible\">utron-star-collision-launches-jet</span></a></p><p><a href=\"https://academiccloud.social/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://academiccloud.social/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://academiccloud.social/tags/BlackHoles\" class=\"mention hashtag\" rel=\"tag\">#<span>BlackHoles</span></a> <a href=\"https://academiccloud.social/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> <a href=\"https://academiccloud.social/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> <a href=\"https://academiccloud.social/tags/Astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrophysics</span></a></p>", "contentMap": { "de": "<p>🍵 Breakfast reading tip: Our research covered by Science News ☕</p><p>“Here’s how a collision of star remnants launches a gleaming jet – An enlarged magnetic field plays a crucial role”</p><p>📰 <a href=\"https://www.sciencenews.org/article/how-neutron-star-collision-launches-jet\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">sciencenews.org/article/how-ne</span><span class=\"invisible\">utron-star-collision-launches-jet</span></a></p><p><a href=\"https://academiccloud.social/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://academiccloud.social/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://academiccloud.social/tags/BlackHoles\" class=\"mention hashtag\" rel=\"tag\">#<span>BlackHoles</span></a> <a href=\"https://academiccloud.social/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> <a href=\"https://academiccloud.social/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> <a href=\"https://academiccloud.social/tags/Astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrophysics</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://academiccloud.social/system/media_attachments/files/114/674/539/078/443/560/original/997a0e8fe2ad4408.png", "name": "Still from a numerical relativity simulation showing a black hole with a jet surrounded by matter.", "blurhash": "U639P;jY8^WUtAjtRhWUVDj]pIayaIflkEf6", "focalPoint": [ 0, 0 ], "width": 1080, "height": 1080 } ], "tag": [ { "type": "Hashtag", "href": "https://academiccloud.social/tags/astrophysics", "name": "#astrophysics" }, { "type": "Hashtag", "href": "https://academiccloud.social/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://academiccloud.social/tags/relativity", "name": "#relativity" }, { "type": "Hashtag", "href": "https://academiccloud.social/tags/blackholes", "name": "#blackholes" }, { "type": "Hashtag", "href": "https://academiccloud.social/tags/news", "name": "#news" }, { "type": "Hashtag", "href": "https://academiccloud.social/tags/science", "name": "#science" } ], "replies": { "id": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186/replies?only_other_accounts=true&page=true", "partOf": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186/replies", "items": [] } }, "likes": { "id": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://academiccloud.social/users/mpi_grav/statuses/114674542328244186/shares", "type": "Collection", "totalItems": 7 } }