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" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-12T23:58:52Z", "url": "https://mathstodon.xyz/@jcponcemath/113993628540474352", "attributedTo": "https://mathstodon.xyz/users/jcponcemath", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/jcponcemath/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-02-12:objectId=138088126:objectType=Conversation", "content": "<p>Applying matrix diagonalisation in the classroom with <a href=\"https://mathstodon.xyz/tags/GeoGebra\" class=\"mention hashtag\" rel=\"tag\">#<span>GeoGebra</span></a>: parametrising the intersection of a sphere and plane</p><p>In collaboration with Bradley Welch</p><p><a href=\"https://www.tandfonline.com/doi/full/10.1080/0020739X.2023.2233513\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">tandfonline.com/doi/full/10.10</span><span class=\"invisible\">80/0020739X.2023.2233513</span></a></p><p><a href=\"https://mathstodon.xyz/tags/dynamic\" class=\"mention hashtag\" rel=\"tag\">#<span>dynamic</span></a> <a href=\"https://mathstodon.xyz/tags/geometric\" class=\"mention hashtag\" rel=\"tag\">#<span>geometric</span></a> <a href=\"https://mathstodon.xyz/tags/systems\" class=\"mention hashtag\" rel=\"tag\">#<span>systems</span></a> <a href=\"https://mathstodon.xyz/tags/linear\" class=\"mention hashtag\" rel=\"tag\">#<span>linear</span></a> <a href=\"https://mathstodon.xyz/tags/algebra\" class=\"mention hashtag\" rel=\"tag\">#<span>algebra</span></a> <a href=\"https://mathstodon.xyz/tags/vectors\" class=\"mention hashtag\" rel=\"tag\">#<span>vectors</span></a> <a href=\"https://mathstodon.xyz/tags/parametrization\" class=\"mention hashtag\" rel=\"tag\">#<span>parametrization</span></a></p>", "contentMap": { "en": "<p>Applying matrix diagonalisation in the classroom with <a href=\"https://mathstodon.xyz/tags/GeoGebra\" class=\"mention hashtag\" rel=\"tag\">#<span>GeoGebra</span></a>: parametrising the intersection of a sphere and plane</p><p>In collaboration with Bradley Welch</p><p><a href=\"https://www.tandfonline.com/doi/full/10.1080/0020739X.2023.2233513\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">tandfonline.com/doi/full/10.10</span><span class=\"invisible\">80/0020739X.2023.2233513</span></a></p><p><a href=\"https://mathstodon.xyz/tags/dynamic\" class=\"mention hashtag\" rel=\"tag\">#<span>dynamic</span></a> <a href=\"https://mathstodon.xyz/tags/geometric\" class=\"mention hashtag\" rel=\"tag\">#<span>geometric</span></a> <a href=\"https://mathstodon.xyz/tags/systems\" class=\"mention hashtag\" rel=\"tag\">#<span>systems</span></a> <a href=\"https://mathstodon.xyz/tags/linear\" class=\"mention hashtag\" rel=\"tag\">#<span>linear</span></a> <a href=\"https://mathstodon.xyz/tags/algebra\" class=\"mention hashtag\" rel=\"tag\">#<span>algebra</span></a> <a href=\"https://mathstodon.xyz/tags/vectors\" class=\"mention hashtag\" rel=\"tag\">#<span>vectors</span></a> <a href=\"https://mathstodon.xyz/tags/parametrization\" class=\"mention hashtag\" rel=\"tag\">#<span>parametrization</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://media.mathstodon.xyz/media_attachments/files/113/993/628/128/448/630/original/5c130b09094b3194.mp4", "name": null, "blurhash": "UZPZ+D55~q~C-;WBM{of%gt7IAM{ayofWBRj", "width": 532, "height": 400 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/parametrization", "name": "#parametrization" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/vectors", "name": "#vectors" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/algebra", "name": "#algebra" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/linear", "name": "#linear" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/systems", "name": "#systems" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/geometric", "name": "#geometric" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/dynamic", "name": "#dynamic" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/geogebra", "name": "#geogebra" } ], "replies": { "id": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/jcponcemath/statuses/113993628540474352/shares", "type": "Collection", "totalItems": 1 } }