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" } ], "id": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/pvk", "published": "2022-12-15T21:13:15Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/pvk/followers", "https://mathstodon.xyz/users/JordiGH" ], "object": { "id": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962", "type": "Note", "summary": null, "inReplyTo": "https://mathstodon.xyz/users/JordiGH/statuses/109518890161936273", "published": "2022-12-15T21:13:15Z", "url": "https://mathstodon.xyz/@pvk/109519752120949962", "attributedTo": "https://mathstodon.xyz/users/pvk", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/pvk/followers", "https://mathstodon.xyz/users/JordiGH" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962", "inReplyToAtomUri": "https://mathstodon.xyz/users/JordiGH/statuses/109518890161936273", "conversation": "tag:mathstodon.xyz,2022-12-15:objectId=33492859:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@JordiGH\" class=\"u-url mention\">@<span>JordiGH</span></a></span> It&#39;s the infinity-category of presentable infinity-categories and colimit-preserving functors. The tensor product is kind of analogous to the tensor product of vector spaces: a colimit-preserving functor \\(\\mathcal{C} \\otimes \\mathcal{D} \\to \\mathcal{E}\\) is a functor \\(\\mathcal{C} \\times \\mathcal{D} \\to \\mathcal{E}\\) that preserves colimits separately in each variable.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@JordiGH\" class=\"u-url mention\">@<span>JordiGH</span></a></span> It&#39;s the infinity-category of presentable infinity-categories and colimit-preserving functors. The tensor product is kind of analogous to the tensor product of vector spaces: a colimit-preserving functor \\(\\mathcal{C} \\otimes \\mathcal{D} \\to \\mathcal{E}\\) is a functor \\(\\mathcal{C} \\times \\mathcal{D} \\to \\mathcal{E}\\) that preserves colimits separately in each variable.</p>" }, "updated": "2022-12-15T21:13:52Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://mathstodon.xyz/users/JordiGH", "name": "@JordiGH" } ], "replies": { "id": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/replies?min_id=109519765812226008&page=true", "partOf": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/replies", "items": [ "https://mathstodon.xyz/users/pvk/statuses/109519765812226008" ] } }, "likes": { "id": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mathstodon.xyz/users/pvk/statuses/109519752120949962/shares", "type": "Collection", "totalItems": 0 } } }