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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-04T11:14:24Z", "url": "https://mathstodon.xyz/@eMuleNews/114449269699676203", "attributedTo": "https://mathstodon.xyz/users/eMuleNews", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/eMuleNews/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-05-04:objectId=151544497:objectType=Conversation", "content": "<p><a href=\"https://mathstodon.xyz/tags/arXiv\" class=\"mention hashtag\" rel=\"tag\">#<span>arXiv</span></a> Life on a closed timelike curve <a href=\"https://arxiv.org/html/2405.18640v2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/html/2405.18640v2</span><span class=\"invisible\"></span></a> “the take-home message is that, time travel would not take place in the form that is usually depicted in science fiction. On CTCs, thermal fluctuations destroy macroscopic causation, and erase all memories.”</p>", "contentMap": { "es": "<p><a href=\"https://mathstodon.xyz/tags/arXiv\" class=\"mention hashtag\" rel=\"tag\">#<span>arXiv</span></a> Life on a closed timelike curve <a href=\"https://arxiv.org/html/2405.18640v2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">arxiv.org/html/2405.18640v2</span><span class=\"invisible\"></span></a> “the take-home message is that, time travel would not take place in the form that is usually depicted in science fiction. On CTCs, thermal fluctuations destroy macroscopic causation, and erase all memories.”</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/114/449/269/661/428/667/original/2e2e832bd497da4a.jpg", "name": null, "blurhash": "U9SPR#oz?cad~WoztRV@IoofozRQozaetRkC", "width": 1821, "height": 1920 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/arxiv", "name": "#arxiv" } ], "replies": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/eMuleNews/statuses/114449269699676203/shares", "type": "Collection", "totalItems": 2 } }