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", "Hashtag": "as:Hashtag" } ], "id": "https://hci.social/users/bwaber/statuses/114192355642102166", "type": "Note", "summary": null, "inReplyTo": "https://hci.social/users/bwaber/statuses/114192355611356584", "published": "2025-03-20T02:17:47Z", "url": "https://hci.social/@bwaber/114192355642102166", "attributedTo": "https://hci.social/users/bwaber", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hci.social/users/bwaber/followers" ], "sensitive": false, "atomUri": "https://hci.social/users/bwaber/statuses/114192355642102166", "inReplyToAtomUri": "https://hci.social/users/bwaber/statuses/114192355611356584", "conversation": "tag:hci.social,2025-03-20:objectId=37919686:objectType=Conversation", "content": "<p>Next was an excellent talk by Qing Qu on how to understand and measure diffusion model performance at MIDAS. This is one of the clearest, most compact scientific explanations of diffusion model inner workings that I&#39;ve heard, and the investigation here provides new insights too. Highly recommend <a href=\"https://www.youtube.com/watch?v=0a9X2HVDYL8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=0a9X2HVDYL</span><span class=\"invisible\">8</span></a> (5/11) <a href=\"https://hci.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>", "contentMap": { "en": "<p>Next was an excellent talk by Qing Qu on how to understand and measure diffusion model performance at MIDAS. This is one of the clearest, most compact scientific explanations of diffusion model inner workings that I&#39;ve heard, and the investigation here provides new insights too. Highly recommend <a href=\"https://www.youtube.com/watch?v=0a9X2HVDYL8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=0a9X2HVDYL</span><span class=\"invisible\">8</span></a> (5/11) <a href=\"https://hci.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://hci.social/tags/ai", "name": "#ai" } ], "replies": { "id": "https://hci.social/users/bwaber/statuses/114192355642102166/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hci.social/users/bwaber/statuses/114192355642102166/replies?min_id=114192355658628732&page=true", "partOf": "https://hci.social/users/bwaber/statuses/114192355642102166/replies", "items": [ "https://hci.social/users/bwaber/statuses/114192355658628732" ] } }, "likes": { "id": "https://hci.social/users/bwaber/statuses/114192355642102166/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://hci.social/users/bwaber/statuses/114192355642102166/shares", "type": "Collection", "totalItems": 0 } }