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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.sdf.org/users/defrisselle/statuses/113898526923098158", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-27T04:53:16Z", "url": "https://mastodon.sdf.org/@defrisselle/113898526923098158", "attributedTo": "https://mastodon.sdf.org/users/defrisselle", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/defrisselle/followers" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/defrisselle/statuses/113898526923098158", "inReplyToAtomUri": null, "conversation": "tag:mastodon.sdf.org,2025-01-27:objectId=238779614:objectType=Conversation", "content": "<p>Does Timescapes DISPROVE Dark Energy? </p><p><a href=\"https://youtu.be/SXg6YVcdOcA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"\">youtu.be/SXg6YVcdOcA</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.sdf.org/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mastodon.sdf.org/tags/Astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrophysics</span></a> <a href=\"https://mastodon.sdf.org/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> <br /><a href=\"https://mastodon.sdf.org/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> <a href=\"https://mastodon.sdf.org/tags/Timescape\" class=\"mention hashtag\" rel=\"tag\">#<span>Timescape</span></a> <a href=\"https://mastodon.sdf.org/tags/Gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>Gravity</span></a> <a href=\"https://mastodon.sdf.org/tags/Time\" class=\"mention hashtag\" rel=\"tag\">#<span>Time</span></a> <a href=\"https://mastodon.sdf.org/tags/Expansion\" class=\"mention hashtag\" rel=\"tag\">#<span>Expansion</span></a></p>", "contentMap": { "en": "<p>Does Timescapes DISPROVE Dark Energy? </p><p><a href=\"https://youtu.be/SXg6YVcdOcA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"\">youtu.be/SXg6YVcdOcA</span><span class=\"invisible\"></span></a></p><p><a href=\"https://mastodon.sdf.org/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mastodon.sdf.org/tags/Astrophysics\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrophysics</span></a> <a href=\"https://mastodon.sdf.org/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> <br /><a href=\"https://mastodon.sdf.org/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> <a href=\"https://mastodon.sdf.org/tags/Timescape\" class=\"mention hashtag\" rel=\"tag\">#<span>Timescape</span></a> <a href=\"https://mastodon.sdf.org/tags/Gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>Gravity</span></a> <a href=\"https://mastodon.sdf.org/tags/Time\" class=\"mention hashtag\" rel=\"tag\">#<span>Time</span></a> <a href=\"https://mastodon.sdf.org/tags/Expansion\" class=\"mention hashtag\" rel=\"tag\">#<span>Expansion</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/astrophysics", "name": "#astrophysics" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/relativity", "name": "#relativity" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/timescape", "name": "#timescape" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/gravity", "name": "#gravity" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/time", "name": "#time" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/expansion", "name": "#expansion" } ], "replies": { "id": "https://mastodon.sdf.org/users/defrisselle/statuses/113898526923098158/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/defrisselle/statuses/113898526923098158/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.sdf.org/users/defrisselle/statuses/113898526923098158/replies", "items": [] } } }