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/hugovk/statuses/109330264220459918/activity", "type": "Create", "actor": "https://mastodon.social/users/hugovk", "published": "2022-11-12T10:03:59Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/hugovk/followers", "https://mastodon.nz/users/timsavage" ], "object": { "id": "https://mastodon.social/users/hugovk/statuses/109330264220459918", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.nz/users/timsavage/statuses/109329233280058245", "published": "2022-11-12T10:03:59Z", "url": "https://mastodon.social/@hugovk/109330264220459918", "attributedTo": "https://mastodon.social/users/hugovk", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/hugovk/followers", "https://mastodon.nz/users/timsavage" ], "sensitive": false, "atomUri": "https://mastodon.social/users/hugovk/statuses/109330264220459918", "inReplyToAtomUri": "https://mastodon.nz/users/timsavage/statuses/109329233280058245", "conversation": "tag:mastodon.nz,2022-11-12:objectId=4979800:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.nz/@timsavage\" class=\"u-url mention\">@<span>timsavage</span></a></span> This is a limitation of expressing certain floats as binary and not unique to <a href=\"https://mastodon.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a>.</p><p>&quot;Note: The behavior of round() for floats can be surprising: for example, round(2.675, 2) gives 2.67 instead of the expected 2.68. This is not a bug: it’s a result of the fact that most decimal fractions can’t be represented exactly as a float.&quot;</p><p><a href=\"https://docs.python.org/3/library/functions.html?#round\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.python.org/3/library/func</span><span class=\"invisible\">tions.html?#round</span></a> <br /><a href=\"https://docs.python.org/3/tutorial/floatingpoint.html#tut-fp-issues\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.python.org/3/tutorial/flo</span><span class=\"invisible\">atingpoint.html#tut-fp-issues</span></a></p><p>Converting 0.895 to binary gives 0.1110010100, which is 0.89453125 and gets rounded down!</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.nz/@timsavage\" class=\"u-url mention\">@<span>timsavage</span></a></span> This is a limitation of expressing certain floats as binary and not unique to <a href=\"https://mastodon.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a>.</p><p>&quot;Note: The behavior of round() for floats can be surprising: for example, round(2.675, 2) gives 2.67 instead of the expected 2.68. This is not a bug: it’s a result of the fact that most decimal fractions can’t be represented exactly as a float.&quot;</p><p><a href=\"https://docs.python.org/3/library/functions.html?#round\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.python.org/3/library/func</span><span class=\"invisible\">tions.html?#round</span></a> <br /><a href=\"https://docs.python.org/3/tutorial/floatingpoint.html#tut-fp-issues\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.python.org/3/tutorial/flo</span><span class=\"invisible\">atingpoint.html#tut-fp-issues</span></a></p><p>Converting 0.895 to binary gives 0.1110010100, which is 0.89453125 and gets rounded down!</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.nz/users/timsavage", "name": "@timsavage@mastodon.nz" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/round", "name": "#round" } ], "replies": { "id": "https://mastodon.social/users/hugovk/statuses/109330264220459918/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/hugovk/statuses/109330264220459918/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/hugovk/statuses/109330264220459918/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/hugovk/statuses/109330264220459918/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/hugovk/statuses/109330264220459918/shares", "type": "Collection", "totalItems": 0 } } }