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.

Open in browser →
{ "@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" } } ], "id": "https://astrodon.social/users/kellylepo/statuses/111772205773447463", "type": "Note", "summary": null, "inReplyTo": "https://astrodon.social/users/kellylepo/statuses/111772198131731990", "published": "2024-01-17T16:21:50Z", "url": "https://astrodon.social/@kellylepo/111772205773447463", "attributedTo": "https://astrodon.social/users/kellylepo", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://astrodon.social/users/kellylepo/followers" ], "sensitive": false, "atomUri": "https://astrodon.social/users/kellylepo/statuses/111772205773447463", "inReplyToAtomUri": "https://astrodon.social/users/kellylepo/statuses/111772198131731990", "conversation": "tag:astrodon.social,2024-01-17:objectId=21713664:objectType=Conversation", "content": "<p>Material from the Green Monster resembles the part of the remnant where the outward-moving blast wave from the supernova is slamming into gas previously ejected from the progenitor star before it exploded. </p><p>It is also moving towards us, suggesting it is on the near side of Cas A, and is seen in projection in the center of the remnant.</p>", "contentMap": { "en": "<p>Material from the Green Monster resembles the part of the remnant where the outward-moving blast wave from the supernova is slamming into gas previously ejected from the progenitor star before it exploded. </p><p>It is also moving towards us, suggesting it is on the near side of Cas A, and is seen in projection in the center of the remnant.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.astrodon.social/media_attachments/files/111/772/200/393/947/640/original/31338590ed406703.jpeg", "name": "A labeled Chandra image shows the features of the Cassiopeia A supernova remnant. These include the blastwave, a thin blue line that outlines the roughly circular supernova remnant, silicon-rich debris, a yellow layer seen from about the 7 o’clock to 1 o'clock positions on the outer part of the remnant, Iron-rich debris, which is found throughout the outer part of the remnant, and the “Green Monster”, a pink-ish, somewhat circular area in the right-center of the remnant that is outlined in green. ", "blurhash": "UI9suhoG53WIxaR*Nat74,R;%4s%Net6xGNF", "width": 864, "height": 697 } ], "tag": [], "replies": { "id": "https://astrodon.social/users/kellylepo/statuses/111772205773447463/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://astrodon.social/users/kellylepo/statuses/111772205773447463/replies?min_id=111772209124912167&page=true", "partOf": "https://astrodon.social/users/kellylepo/statuses/111772205773447463/replies", "items": [ "https://astrodon.social/users/kellylepo/statuses/111772209124912167" ] } }, "likes": { "id": "https://astrodon.social/users/kellylepo/statuses/111772205773447463/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://astrodon.social/users/kellylepo/statuses/111772205773447463/shares", "type": "Collection", "totalItems": 4 } }