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" } ], "id": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-05-30T00:33:36Z", "url": "https://mathstodon.xyz/@jsm28/110454821110400701", "attributedTo": "https://mathstodon.xyz/users/jsm28", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/jsm28/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2023-05-30:objectId=52150030:objectType=Conversation", "content": "<p>In plane tiling, it is completely standard that tiles may be reflected; nevertheless, some people were dissatisfied that the aperiodic hat monotile requires reflections to tile the plane. In our new preprint, we present the Spectre, the first example of a vampire einstein: an aperiodic monotile that tiles the plane without reflections. <a href=\"https://arxiv.org/abs/2305.17743\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/abs/2305.17743</span><span class=\"invisible\"></span></a></p>", "contentMap": { "en": "<p>In plane tiling, it is completely standard that tiles may be reflected; nevertheless, some people were dissatisfied that the aperiodic hat monotile requires reflections to tile the plane. In our new preprint, we present the Spectre, the first example of a vampire einstein: an aperiodic monotile that tiles the plane without reflections. <a href=\"https://arxiv.org/abs/2305.17743\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/abs/2305.17743</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701/replies?min_id=110454824504186730&page=true", "partOf": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701/replies", "items": [ "https://mathstodon.xyz/users/jsm28/statuses/110454824504186730" ] } }, "likes": { "id": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701/likes", "type": "Collection", "totalItems": 51 }, "shares": { "id": "https://mathstodon.xyz/users/jsm28/statuses/110454821110400701/shares", "type": "Collection", "totalItems": 38 } }