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://mastodon.social/users/disconnectcollective/statuses/114564777329105367", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/disconnectcollective/statuses/114564773967892090", "published": "2025-05-24T20:49:31Z", "url": "https://mastodon.social/@disconnectcollective/114564777329105367", "attributedTo": "https://mastodon.social/users/disconnectcollective", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/disconnectcollective/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367", "inReplyToAtomUri": "https://mastodon.social/users/disconnectcollective/statuses/114564773967892090", "conversation": "tag:mastodon.social,2025-05-24:objectId=1005619257:objectType=Conversation", "content": "<p>Post 6: The Distributed Alternative<br />💡 Plot twist: What if we didn&#39;t need mega-datacenters?<br />Distributed AI projects proving viable:<br />✅ Hivemind, Flower, OpenFL enable collaborative training<br />✅ Federated learning across 71 medical sites on 6 continents<br />✅ Privacy preserved, data stays local<br />✅ Uses idle computing resources + local renewable energy<br />Why centralize when you can federate?<br /><a href=\"https://mastodon.social/tags/DistributedAI\" class=\"mention hashtag\" rel=\"tag\">#<span>DistributedAI</span></a> <a href=\"https://mastodon.social/tags/FederatedLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>FederatedLearning</span></a> <a href=\"https://mastodon.social/tags/Decentralization\" class=\"mention hashtag\" rel=\"tag\">#<span>Decentralization</span></a></p>", "contentMap": { "en": "<p>Post 6: The Distributed Alternative<br />💡 Plot twist: What if we didn&#39;t need mega-datacenters?<br />Distributed AI projects proving viable:<br />✅ Hivemind, Flower, OpenFL enable collaborative training<br />✅ Federated learning across 71 medical sites on 6 continents<br />✅ Privacy preserved, data stays local<br />✅ Uses idle computing resources + local renewable energy<br />Why centralize when you can federate?<br /><a href=\"https://mastodon.social/tags/DistributedAI\" class=\"mention hashtag\" rel=\"tag\">#<span>DistributedAI</span></a> <a href=\"https://mastodon.social/tags/FederatedLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>FederatedLearning</span></a> <a href=\"https://mastodon.social/tags/Decentralization\" class=\"mention hashtag\" rel=\"tag\">#<span>Decentralization</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/distributedai", "name": "#distributedai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/federatedlearning", "name": "#federatedlearning" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/decentralization", "name": "#decentralization" } ], "replies": { "id": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367/replies?min_id=114564787292579352&page=true", "partOf": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367/replies", "items": [ "https://mastodon.social/users/disconnectcollective/statuses/114564787292579352" ] } }, "likes": { "id": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/disconnectcollective/statuses/114564777329105367/shares", "type": "Collection", "totalItems": 0 } }