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" } ], "id": "https://mathstodon.xyz/users/tao/statuses/109452029929293875/replies", "type": "Collection", "first": { "id": "https://mathstodon.xyz/users/tao/statuses/109452029929293875/replies?page=true", "type": "CollectionPage", "next": "https://mathstodon.xyz/users/tao/statuses/109452029929293875/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/tao/statuses/109452029929293875/replies", "items": [ { "id": "https://mathstodon.xyz/users/tao/statuses/109452055377694007", "type": "Note", "summary": null, "inReplyTo": "https://mathstodon.xyz/users/tao/statuses/109452029929293875", "published": "2022-12-03T22:17:05Z", "url": "https://mathstodon.xyz/@tao/109452055377694007", "attributedTo": "https://mathstodon.xyz/users/tao", "to": [ "https://mathstodon.xyz/users/tao/followers" ], "cc": [ "https://www.w3.org/ns/activitystreams#Public" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/tao/statuses/109452055377694007", "inReplyToAtomUri": "https://mathstodon.xyz/users/tao/statuses/109452029929293875", "conversation": "tag:mathstodon.xyz,2022-12-03:objectId=32025619:objectType=Conversation", "content": "<p>* Estimate insensitive to multiplication by constants -&gt; suffices to control individual terms of estimate (if boundedly many terms, or if one gains summable decay in the index of the term). [A fundamental tool in harmonic analysis and related fields, often considered too trivial to state explicitly.]</p><p>* Insensitive to specific relations (or other features) of domain / preserved by quotients -&gt; suffices to verify the &quot;universal&quot; domain (if one exists), or work in a more abstract setting</p><p>(9/)</p>", "contentMap": { "en": "<p>* Estimate insensitive to multiplication by constants -&gt; suffices to control individual terms of estimate (if boundedly many terms, or if one gains summable decay in the index of the term). [A fundamental tool in harmonic analysis and related fields, often considered too trivial to state explicitly.]</p><p>* Insensitive to specific relations (or other features) of domain / preserved by quotients -&gt; suffices to verify the &quot;universal&quot; domain (if one exists), or work in a more abstract setting</p><p>(9/)</p>" }, "updated": "2022-12-03T22:21:04Z", "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/tao/statuses/109452055377694007/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/tao/statuses/109452055377694007/replies?min_id=109452134240268957&page=true", "partOf": "https://mathstodon.xyz/users/tao/statuses/109452055377694007/replies", "items": [ "https://mathstodon.xyz/users/tao/statuses/109452134240268957" ] } }, "likes": { "id": "https://mathstodon.xyz/users/tao/statuses/109452055377694007/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://mathstodon.xyz/users/tao/statuses/109452055377694007/shares", "type": "Collection", "totalItems": 3 } } ] } }