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://social.lansky.name/users/hn50/statuses/114501609557851023", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-13T17:05:07Z", "url": "https://social.lansky.name/@hn50/114501609557851023", "attributedTo": "https://social.lansky.name/users/hn50", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.lansky.name/users/hn50/followers" ], "sensitive": false, "atomUri": "https://social.lansky.name/users/hn50/statuses/114501609557851023", "inReplyToAtomUri": null, "conversation": "tag:social.lansky.name,2025-05-13:objectId=5457432:objectType=Conversation", "content": "<p>ETH Zurich researchers discover new security vulnerability in Intel processors</p><p>Link: <a href=\"https://ethz.ch/en/news-and-events/eth-news/news/2025/05/eth-zurich-researchers-discover-new-security-vulnerability-in-intel-processors.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">ethz.ch/en/news-and-events/eth</span><span class=\"invisible\">-news/news/2025/05/eth-zurich-researchers-discover-new-security-vulnerability-in-intel-processors.html</span></a><br />Discussion: <a href=\"https://news.ycombinator.com/item?id=43974891\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3974891</span></a></p><p><a href=\"https://social.lansky.name/tags/intel\" class=\"mention hashtag\" rel=\"tag\">#<span>intel</span></a></p>", "contentMap": { "en": "<p>ETH Zurich researchers discover new security vulnerability in Intel processors</p><p>Link: <a href=\"https://ethz.ch/en/news-and-events/eth-news/news/2025/05/eth-zurich-researchers-discover-new-security-vulnerability-in-intel-processors.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">ethz.ch/en/news-and-events/eth</span><span class=\"invisible\">-news/news/2025/05/eth-zurich-researchers-discover-new-security-vulnerability-in-intel-processors.html</span></a><br />Discussion: <a href=\"https://news.ycombinator.com/item?id=43974891\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3974891</span></a></p><p><a href=\"https://social.lansky.name/tags/intel\" class=\"mention hashtag\" rel=\"tag\">#<span>intel</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://social.lansky.name/tags/intel", "name": "#intel" } ], "replies": { "id": "https://social.lansky.name/users/hn50/statuses/114501609557851023/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.lansky.name/users/hn50/statuses/114501609557851023/replies?only_other_accounts=true&page=true", "partOf": "https://social.lansky.name/users/hn50/statuses/114501609557851023/replies", "items": [] } }, "likes": { "id": "https://social.lansky.name/users/hn50/statuses/114501609557851023/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://social.lansky.name/users/hn50/statuses/114501609557851023/shares", "type": "Collection", "totalItems": 2 } }