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/decompwlj/statuses/114464446826583731", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-07T03:34:09Z", "url": "https://mathstodon.xyz/@decompwlj/114464446826583731", "attributedTo": "https://mathstodon.xyz/users/decompwlj", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/decompwlj/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-05-07:objectId=151980470:objectType=Conversation", "content": "<p>One day, one decomposition<br />A248201: Numbers n such that n-1, n and n+1 are all squarefree semiprimes</p><p>3D graph, threejs - webGL ➡️ <a href=\"https://decompwlj.com/3Dgraph/A248201.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">decompwlj.com/3Dgraph/A248201.</span><span class=\"invisible\">html</span></a><br />2D graph, first 500 terms ➡️ <a href=\"https://decompwlj.com/2Dgraph500terms/A248201.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">decompwlj.com/2Dgraph500terms/</span><span class=\"invisible\">A248201.html</span></a></p><p><a href=\"https://mathstodon.xyz/tags/decompwlj\" class=\"mention hashtag\" rel=\"tag\">#<span>decompwlj</span></a> <a href=\"https://mathstodon.xyz/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://mathstodon.xyz/tags/mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematics</span></a> <a href=\"https://mathstodon.xyz/tags/sequence\" class=\"mention hashtag\" rel=\"tag\">#<span>sequence</span></a> <a href=\"https://mathstodon.xyz/tags/OEIS\" class=\"mention hashtag\" rel=\"tag\">#<span>OEIS</span></a> <a href=\"https://mathstodon.xyz/tags/javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>javascript</span></a> <a href=\"https://mathstodon.xyz/tags/php\" class=\"mention hashtag\" rel=\"tag\">#<span>php</span></a> <a href=\"https://mathstodon.xyz/tags/3D\" class=\"mention hashtag\" rel=\"tag\">#<span>3D</span></a> <a href=\"https://mathstodon.xyz/tags/numbers\" class=\"mention hashtag\" rel=\"tag\">#<span>numbers</span></a> <a href=\"https://mathstodon.xyz/tags/squarefree\" class=\"mention hashtag\" rel=\"tag\">#<span>squarefree</span></a> <a href=\"https://mathstodon.xyz/tags/semiprimes\" class=\"mention hashtag\" rel=\"tag\">#<span>semiprimes</span></a> <a href=\"https://mathstodon.xyz/tags/graph\" class=\"mention hashtag\" rel=\"tag\">#<span>graph</span></a> <a href=\"https://mathstodon.xyz/tags/threejs\" class=\"mention hashtag\" rel=\"tag\">#<span>threejs</span></a> <a href=\"https://mathstodon.xyz/tags/webGL\" class=\"mention hashtag\" rel=\"tag\">#<span>webGL</span></a></p>", "contentMap": { "en": "<p>One day, one decomposition<br />A248201: Numbers n such that n-1, n and n+1 are all squarefree semiprimes</p><p>3D graph, threejs - webGL ➡️ <a href=\"https://decompwlj.com/3Dgraph/A248201.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">decompwlj.com/3Dgraph/A248201.</span><span class=\"invisible\">html</span></a><br />2D graph, first 500 terms ➡️ <a href=\"https://decompwlj.com/2Dgraph500terms/A248201.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">decompwlj.com/2Dgraph500terms/</span><span class=\"invisible\">A248201.html</span></a></p><p><a href=\"https://mathstodon.xyz/tags/decompwlj\" class=\"mention hashtag\" rel=\"tag\">#<span>decompwlj</span></a> <a href=\"https://mathstodon.xyz/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://mathstodon.xyz/tags/mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematics</span></a> <a href=\"https://mathstodon.xyz/tags/sequence\" class=\"mention hashtag\" rel=\"tag\">#<span>sequence</span></a> <a href=\"https://mathstodon.xyz/tags/OEIS\" class=\"mention hashtag\" rel=\"tag\">#<span>OEIS</span></a> <a href=\"https://mathstodon.xyz/tags/javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>javascript</span></a> <a href=\"https://mathstodon.xyz/tags/php\" class=\"mention hashtag\" rel=\"tag\">#<span>php</span></a> <a href=\"https://mathstodon.xyz/tags/3D\" class=\"mention hashtag\" rel=\"tag\">#<span>3D</span></a> <a href=\"https://mathstodon.xyz/tags/numbers\" class=\"mention hashtag\" rel=\"tag\">#<span>numbers</span></a> <a href=\"https://mathstodon.xyz/tags/squarefree\" class=\"mention hashtag\" rel=\"tag\">#<span>squarefree</span></a> <a href=\"https://mathstodon.xyz/tags/semiprimes\" class=\"mention hashtag\" rel=\"tag\">#<span>semiprimes</span></a> <a href=\"https://mathstodon.xyz/tags/graph\" class=\"mention hashtag\" rel=\"tag\">#<span>graph</span></a> <a href=\"https://mathstodon.xyz/tags/threejs\" class=\"mention hashtag\" rel=\"tag\">#<span>threejs</span></a> <a href=\"https://mathstodon.xyz/tags/webGL\" class=\"mention hashtag\" rel=\"tag\">#<span>webGL</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/114/464/445/552/965/264/original/48f9bb600eb1fbf1.jpg", "name": "Decomposition into weight × level + jump of A248201 in 2D (log(weight), log(level))", "blurhash": "U6S$ovxu~qRj%MIUR*%M_3of9Ft7fQ%MWB9F", "focalPoint": [ 0, 0 ], "width": 600, "height": 600 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/114/464/446/217/597/860/original/6c0b6a13164d9da4.jpg", "name": "Decomposition into weight × level + jump of A248201 in 3D (threejs - WebGL) (log(weight), log(level), log(jump))", "blurhash": "U8S$ow-;_2My4o%L-:M{xuV[odof~pIVIVxu", "focalPoint": [ 0, 0 ], "width": 1147, "height": 768 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/webgl", "name": "#webgl" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/threejs", "name": "#threejs" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/graph", "name": "#graph" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/semiprimes", "name": "#semiprimes" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/squarefree", "name": "#squarefree" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/numbers", "name": "#numbers" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/3d", "name": "#3d" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/php", "name": "#php" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/javascript", "name": "#javascript" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/oeis", "name": "#oeis" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/sequence", "name": "#sequence" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/mathematics", "name": "#mathematics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/math", "name": "#math" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/decompwlj", "name": "#decompwlj" } ], "replies": { "id": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mathstodon.xyz/users/decompwlj/statuses/114464446826583731/shares", "type": "Collection", "totalItems": 2 } }