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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-17T13:01:30Z", "url": "https://mastodon.world/@formuchdeliberation/113843823610807829", "attributedTo": "https://mastodon.world/users/formuchdeliberation", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.world/users/formuchdeliberation/followers" ], "sensitive": false, "atomUri": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829", "inReplyToAtomUri": null, "conversation": "tag:mastodon.world,2025-01-17:objectId=358982288:objectType=Conversation", "content": "<p>Science Daily: Astronomers observe real-time formation of black hole jets for the first time…</p><p>For many years, scientists had classified 1ES 1927+654 as an &quot;active galactic nucleus,&quot; or AGN, meaning it has an active black hole at its center. This particular black hole was adding material at a slow rate -- until it wasn&#39;t... <a href=\"https://mastodon.world/tags/blackhole\" class=\"mention hashtag\" rel=\"tag\">#<span>blackhole</span></a> <a href=\"https://mastodon.world/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.world/tags/galaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxy</span></a> <a href=\"https://mastodon.world/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a></p><p><a href=\"https://formuchdeliberation.wordpress.com/2025/01/17/science-daily-astronomers-observe-real-time-formation-of-black-hole-jets-for-the-first-time/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">formuchdeliberation.wordpress.</span><span class=\"invisible\">com/2025/01/17/science-daily-astronomers-observe-real-time-formation-of-black-hole-jets-for-the-first-time/</span></a></p>", "contentMap": { "en": "<p>Science Daily: Astronomers observe real-time formation of black hole jets for the first time…</p><p>For many years, scientists had classified 1ES 1927+654 as an &quot;active galactic nucleus,&quot; or AGN, meaning it has an active black hole at its center. This particular black hole was adding material at a slow rate -- until it wasn&#39;t... <a href=\"https://mastodon.world/tags/blackhole\" class=\"mention hashtag\" rel=\"tag\">#<span>blackhole</span></a> <a href=\"https://mastodon.world/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.world/tags/galaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>galaxy</span></a> <a href=\"https://mastodon.world/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a></p><p><a href=\"https://formuchdeliberation.wordpress.com/2025/01/17/science-daily-astronomers-observe-real-time-formation-of-black-hole-jets-for-the-first-time/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">formuchdeliberation.wordpress.</span><span class=\"invisible\">com/2025/01/17/science-daily-astronomers-observe-real-time-formation-of-black-hole-jets-for-the-first-time/</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.world/tags/blackhole", "name": "#blackhole" }, { "type": "Hashtag", "href": "https://mastodon.world/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://mastodon.world/tags/galaxy", "name": "#galaxy" }, { "type": "Hashtag", "href": "https://mastodon.world/tags/space", "name": "#space" } ], "replies": { "id": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829/replies", "items": [] } }, "likes": { "id": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.world/users/formuchdeliberation/statuses/113843823610807829/shares", "type": "Collection", "totalItems": 0 } }