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.
{
"@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/109283584820105620/activity",
"type": "Create",
"actor": "https://mathstodon.xyz/users/gregeganSF",
"published": "2022-11-04T04:12:48Z",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mathstodon.xyz/users/gregeganSF/followers"
],
"object": {
"id": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620",
"type": "Note",
"summary": null,
"inReplyTo": "https://mathstodon.xyz/users/gregeganSF/statuses/109271295120138652",
"published": "2022-11-04T04:12:48Z",
"url": "https://mathstodon.xyz/@gregeganSF/109283584820105620",
"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/109283584820105620",
"inReplyToAtomUri": "https://mathstodon.xyz/users/gregeganSF/statuses/109271295120138652",
"conversation": "tag:mathstodon.xyz,2022-11-02:objectId=28211198:objectType=Conversation",
"content": "<p>If you take the 3 operators in any row of the Mermin grid, there are 4 orthogonal vectors that are simultaneously eigenvectors of all three.</p><p>These 12 vectors and their opposites are the vertices of a 24-cell! And if you do the same for the columns, you get the 24-cell dual to it (whose vertices are normals to the 24 octahedral cells of the first 24-cell).</p><p>In the image below, the vertices of each colour are simultaneous eigenvectors for each of the three rows of operators.</p>",
"contentMap": {
"en": "<p>If you take the 3 operators in any row of the Mermin grid, there are 4 orthogonal vectors that are simultaneously eigenvectors of all three.</p><p>These 12 vectors and their opposites are the vertices of a 24-cell! And if you do the same for the columns, you get the 24-cell dual to it (whose vertices are normals to the 24 octahedral cells of the first 24-cell).</p><p>In the image below, the vertices of each colour are simultaneous eigenvectors for each of the three rows of operators.</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "video/mp4",
"url": "https://media.mathstodon.xyz/media_attachments/files/109/283/569/420/489/212/original/a95749e8f14dff2a.mp4",
"name": null,
"blurhash": "UHRysgxu_3Rjt7j[R*n+~qWBM{s:M{kBxuR%",
"width": 506,
"height": 506
}
],
"tag": [],
"replies": {
"id": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620/replies?min_id=109290905971976809&page=true",
"partOf": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620/replies",
"items": [
"https://mathstodon.xyz/users/gregeganSF/statuses/109290905971976809"
]
}
},
"likes": {
"id": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620/likes",
"type": "Collection",
"totalItems": 4
},
"shares": {
"id": "https://mathstodon.xyz/users/gregeganSF/statuses/109283584820105620/shares",
"type": "Collection",
"totalItems": 3
}
}
}