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" } ], "id": "https://mastodon.social/users/rexi/statuses/114129368387627955", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/rexi/statuses/114129357515789811", "published": "2025-03-08T23:19:18Z", "url": "https://mastodon.social/@rexi/114129368387627955", "attributedTo": "https://mastodon.social/users/rexi", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/rexi/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/rexi/statuses/114129368387627955", "inReplyToAtomUri": "https://mastodon.social/users/rexi/statuses/114129357515789811", "conversation": "tag:mastodon.social,2025-02-01:objectId=910015674:objectType=Conversation", "content": "<p><a href=\"https://journals.aps.org/prd/abstract/10.1103/PhysRevD.111.066001\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journals.aps.org/prd/abstract/</span><span class=\"invisible\">10.1103/PhysRevD.111.066001</span></a></p><p>Phys. Rev. D 111, 066001 – Published 3 March, 2025</p><p>Gravity is derived from an entropic action coupling matter fields with geometry. The fundamental idea is to relate the metric of Lorentzian spacetime to a quantum operator, playing the role of an renormalizable effective density matrix and to describe the matter fields topologically…</p>", "contentMap": { "en": "<p><a href=\"https://journals.aps.org/prd/abstract/10.1103/PhysRevD.111.066001\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journals.aps.org/prd/abstract/</span><span class=\"invisible\">10.1103/PhysRevD.111.066001</span></a></p><p>Phys. Rev. D 111, 066001 – Published 3 March, 2025</p><p>Gravity is derived from an entropic action coupling matter fields with geometry. The fundamental idea is to relate the metric of Lorentzian spacetime to a quantum operator, playing the role of an renormalizable effective density matrix and to describe the matter fields topologically…</p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/rexi/statuses/114129368387627955/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/rexi/statuses/114129368387627955/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/rexi/statuses/114129368387627955/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/rexi/statuses/114129368387627955/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/rexi/statuses/114129368387627955/shares", "type": "Collection", "totalItems": 1 } }