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/replies", "type": "Collection", "first": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies?page=true", "type": "CollectionPage", "next": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815/replies", "items": [ { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855", "type": "Note", "summary": null, "inReplyTo": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815", "published": "2022-11-02T00:05:28Z", "url": "https://mathstodon.xyz/@gregeganSF/109271287640959855", "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/109271287640959855", "inReplyToAtomUri": "https://mathstodon.xyz/users/gregeganSF/statuses/109271284260677815", "conversation": "tag:mathstodon.xyz,2022-11-02:objectId=28211198:objectType=Conversation", "content": "<p>David Mermin came up with these matrices in 1990, in the form of measurements on a pair of quantum spins, as shown below.</p><p>Every measurement in this grid will give 1 or –1, and if you perform the three measurements in one row, or one column, at the same time, the product of the three results you get will always be 1 for a row, and –1 for a column. This follows from our original statements about the grid of matrices.</p>", "contentMap": { "en": "<p>David Mermin came up with these matrices in 1990, in the form of measurements on a pair of quantum spins, as shown below.</p><p>Every measurement in this grid will give 1 or –1, and if you perform the three measurements in one row, or one column, at the same time, the product of the three results you get will always be 1 for a row, and –1 for a column. This follows from our original statements about the grid of matrices.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/109/271/285/286/882/932/original/a5b2609940ceb95c.png", "name": null, "blurhash": "U8Rp8-xuD%oft7fQayay00ayt7WBoffQayWB", "width": 1012, "height": 524 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855/replies?min_id=109271290912908283&page=true", "partOf": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855/replies", "items": [ "https://mathstodon.xyz/users/gregeganSF/statuses/109271290912908283" ] } }, "likes": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mathstodon.xyz/users/gregeganSF/statuses/109271287640959855/shares", "type": "Collection", "totalItems": 0 } } ] } }