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/h4ckernews/statuses/114539681332834476", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-20T10:27:16Z", "url": "https://mastodon.social/@h4ckernews/114539681332834476", "attributedTo": "https://mastodon.social/users/h4ckernews", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/h4ckernews/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-20:objectId=1001756523:objectType=Conversation", "content": "<p>Using elliptic curves to solve a math meme</p><p><a href=\"https://artofproblemsolving.com/community/c2532359h2760821_the_emoji_problem__part_i?srsltid=AfmBOor9TbMq_A7hGHSJGfoWaa2HNzducSYZu35d_LFlCSNLXpvt-pdS\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">artofproblemsolving.com/commun</span><span class=\"invisible\">ity/c2532359h2760821_the_emoji_problem__part_i?srsltid=AfmBOor9TbMq_A7hGHSJGfoWaa2HNzducSYZu35d_LFlCSNLXpvt-pdS</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/Using\" class=\"mention hashtag\" rel=\"tag\">#<span>Using</span></a> <a href=\"https://mastodon.social/tags/elliptic\" class=\"mention hashtag\" rel=\"tag\">#<span>elliptic</span></a> <a href=\"https://mastodon.social/tags/curves\" class=\"mention hashtag\" rel=\"tag\">#<span>curves</span></a> <a href=\"https://mastodon.social/tags/to\" class=\"mention hashtag\" rel=\"tag\">#<span>to</span></a> <a href=\"https://mastodon.social/tags/solve\" class=\"mention hashtag\" rel=\"tag\">#<span>solve</span></a> <a href=\"https://mastodon.social/tags/a\" class=\"mention hashtag\" rel=\"tag\">#<span>a</span></a> <a href=\"https://mastodon.social/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://mastodon.social/tags/meme\" class=\"mention hashtag\" rel=\"tag\">#<span>meme</span></a> <a href=\"https://mastodon.social/tags/mathmemes\" class=\"mention hashtag\" rel=\"tag\">#<span>mathmemes</span></a> <a href=\"https://mastodon.social/tags/ellipticcurves\" class=\"mention hashtag\" rel=\"tag\">#<span>ellipticcurves</span></a> <a href=\"https://mastodon.social/tags/mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematics</span></a> <a href=\"https://mastodon.social/tags/problem\" class=\"mention hashtag\" rel=\"tag\">#<span>problem</span></a>-solving <a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a></p>", "contentMap": { "en": "<p>Using elliptic curves to solve a math meme</p><p><a href=\"https://artofproblemsolving.com/community/c2532359h2760821_the_emoji_problem__part_i?srsltid=AfmBOor9TbMq_A7hGHSJGfoWaa2HNzducSYZu35d_LFlCSNLXpvt-pdS\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">artofproblemsolving.com/commun</span><span class=\"invisible\">ity/c2532359h2760821_the_emoji_problem__part_i?srsltid=AfmBOor9TbMq_A7hGHSJGfoWaa2HNzducSYZu35d_LFlCSNLXpvt-pdS</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/Using\" class=\"mention hashtag\" rel=\"tag\">#<span>Using</span></a> <a href=\"https://mastodon.social/tags/elliptic\" class=\"mention hashtag\" rel=\"tag\">#<span>elliptic</span></a> <a href=\"https://mastodon.social/tags/curves\" class=\"mention hashtag\" rel=\"tag\">#<span>curves</span></a> <a href=\"https://mastodon.social/tags/to\" class=\"mention hashtag\" rel=\"tag\">#<span>to</span></a> <a href=\"https://mastodon.social/tags/solve\" class=\"mention hashtag\" rel=\"tag\">#<span>solve</span></a> <a href=\"https://mastodon.social/tags/a\" class=\"mention hashtag\" rel=\"tag\">#<span>a</span></a> <a href=\"https://mastodon.social/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://mastodon.social/tags/meme\" class=\"mention hashtag\" rel=\"tag\">#<span>meme</span></a> <a href=\"https://mastodon.social/tags/mathmemes\" class=\"mention hashtag\" rel=\"tag\">#<span>mathmemes</span></a> <a href=\"https://mastodon.social/tags/ellipticcurves\" class=\"mention hashtag\" rel=\"tag\">#<span>ellipticcurves</span></a> <a href=\"https://mastodon.social/tags/mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematics</span></a> <a href=\"https://mastodon.social/tags/problem\" class=\"mention hashtag\" rel=\"tag\">#<span>problem</span></a>-solving <a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/hackernews", "name": "#hackernews" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/using", "name": "#using" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/elliptic", "name": "#elliptic" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/curves", "name": "#curves" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/to", "name": "#to" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/solve", "name": "#solve" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/a", "name": "#a" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/math", "name": "#math" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/meme", "name": "#meme" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mathmemes", "name": "#mathmemes" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ellipticcurves", "name": "#ellipticcurves" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mathematics", "name": "#mathematics" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/problem", "name": "#problem" } ], "replies": { "id": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/h4ckernews/statuses/114539681332834476/shares", "type": "Collection", "totalItems": 1 } }