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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-11T16:00:34Z", "url": "https://mathstodon.xyz/@paysmaths/114490031109433950", "attributedTo": "https://mathstodon.xyz/users/paysmaths", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/paysmaths/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-05-11:objectId=152699751:objectType=Conversation", "content": "<p>&quot;L&#39;un [des deux différents types d&#39;activité mathématique] consiste à trouver les réponses à des problèmes qui ont été soulevés précédemment par d&#39;autres, et l&#39;autre est de créer des techniques qui trouveront ensuite les problèmes auxquels elles peuvent s&#39;appliquer. &quot; – Herbert Robbins (1915-2001)<br /><a href=\"https://mathstodon.xyz/tags/citation\" class=\"mention hashtag\" rel=\"tag\">#<span>citation</span></a> <a href=\"https://mathstodon.xyz/tags/math%C3%A9matiques\" class=\"mention hashtag\" rel=\"tag\">#<span>mathématiques</span></a> <a href=\"https://mathstodon.xyz/tags/maths\" class=\"mention hashtag\" rel=\"tag\">#<span>maths</span></a> <a href=\"https://mathstodon.xyz/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a></p>", "contentMap": { "fr": "<p>&quot;L&#39;un [des deux différents types d&#39;activité mathématique] consiste à trouver les réponses à des problèmes qui ont été soulevés précédemment par d&#39;autres, et l&#39;autre est de créer des techniques qui trouveront ensuite les problèmes auxquels elles peuvent s&#39;appliquer. &quot; – Herbert Robbins (1915-2001)<br /><a href=\"https://mathstodon.xyz/tags/citation\" class=\"mention hashtag\" rel=\"tag\">#<span>citation</span></a> <a href=\"https://mathstodon.xyz/tags/math%C3%A9matiques\" class=\"mention hashtag\" rel=\"tag\">#<span>mathématiques</span></a> <a href=\"https://mathstodon.xyz/tags/maths\" class=\"mention hashtag\" rel=\"tag\">#<span>maths</span></a> <a href=\"https://mathstodon.xyz/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/114/490/031/009/435/681/original/b99e6d7ba0dac8bb.png", "name": "Citation de Herbert Robbins : \"L'un [des deux différents types d'activité mathématique] consiste à trouver les réponses à des problèmes qui ont été soulevés précédemment par d'autres, et l'autre est de créer des techniques qui trouveront ensuite les problèmes auxquels elles peuvent s'appliquer.\"", "blurhash": "Ul99AxkCHqayayj[ayfQMIaytmfQkCjtayj[", "width": 1024, "height": 512 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/math", "name": "#math" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/maths", "name": "#maths" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/mathematiques", "name": "#mathematiques" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/citation", "name": "#citation" } ], "replies": { "id": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/paysmaths/statuses/114490031109433950/shares", "type": "Collection", "totalItems": 1 } }