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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815", "type": "Note", "summary": null, "inReplyTo": null, "published": "2022-11-02T00:04:37Z", "url": "https://mathstodon.xyz/@gregeganSF/109271284260677815", "attributedTo": "https://mathstodon.xyz/users/gregeganSF", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/gregeganSF/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2022-11-02:objectId=28211198:objectType=Conversation", "content": "<p>If you take the three matrices in one row or one column of this 3×3 grid, they will all commute with each other, and the result of multiplying all three together will be the identity matrix for rows, but minus the identity matrix for columns.</p>", "contentMap": { "en": "<p>If you take the three matrices in one row or one column of this 3×3 grid, they will all commute with each other, and the result of multiplying all three together will be the identity matrix for rows, but minus the identity matrix for columns.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/109/271/282/003/187/305/original/c0bbf3af5e42f846.png", "name": null, "blurhash": "U2QmCrxu~qxuxuj[j[ay00fQt7fQxuj[ayj[", "width": 1533, "height": 1353 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies?min_id=109271287640959855&page=true", "partOf": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies", "items": [ "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855" ] } }, "likes": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/shares", "type": "Collection", "totalItems": 4 } }