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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/ksaj/statuses/114437270672959757", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-02T08:22:54Z", "url": "https://infosec.exchange/@ksaj/114437270672959757", "attributedTo": "https://infosec.exchange/users/ksaj", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/ksaj/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/ksaj/statuses/114437270672959757", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2025-05-02:objectId=267145622:objectType=Conversation", "content": "<p>I'm going crazy trying to figure out this paper.</p><p>In Wildberger &amp; Rubine’s 2025 paper linked below (DOI:10.1080/00029890.2025.2460966), where is the explicit combinatorial formula or recurrence for the one‑variable Geode coefficients Gₖ given? I'm dying here.</p><p>I'd like to understand the method, but this is a huge roadblock.</p><p>EDIT: Issue is solved (yet funny enough, unsolved)</p><p><a href=\"https://infosec.exchange/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://infosec.exchange/tags/algebra\" class=\"mention hashtag\" rel=\"tag\">#<span>algebra</span></a> <a href=\"https://infosec.exchange/tags/combinatorics\" class=\"mention hashtag\" rel=\"tag\">#<span>combinatorics</span></a> <a href=\"https://infosec.exchange/tags/galois\" class=\"mention hashtag\" rel=\"tag\">#<span>galois</span></a> <a href=\"https://infosec.exchange/tags/mathresearch\" class=\"mention hashtag\" rel=\"tag\">#<span>mathresearch</span></a> <a href=\"https://infosec.exchange/tags/powerseries\" class=\"mention hashtag\" rel=\"tag\">#<span>powerseries</span></a></p><p><a href=\"https://www.tandfonline.com/doi/full/10.1080/00029890.2025.2460966#d1e7853\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">tandfonline.com/doi/full/10.10</span><span class=\"invisible\">80/00029890.2025.2460966#d1e7853</span></a></p>", "contentMap": { "en": "<p>I'm going crazy trying to figure out this paper.</p><p>In Wildberger &amp; Rubine’s 2025 paper linked below (DOI:10.1080/00029890.2025.2460966), where is the explicit combinatorial formula or recurrence for the one‑variable Geode coefficients Gₖ given? I'm dying here.</p><p>I'd like to understand the method, but this is a huge roadblock.</p><p>EDIT: Issue is solved (yet funny enough, unsolved)</p><p><a href=\"https://infosec.exchange/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://infosec.exchange/tags/algebra\" class=\"mention hashtag\" rel=\"tag\">#<span>algebra</span></a> <a href=\"https://infosec.exchange/tags/combinatorics\" class=\"mention hashtag\" rel=\"tag\">#<span>combinatorics</span></a> <a href=\"https://infosec.exchange/tags/galois\" class=\"mention hashtag\" rel=\"tag\">#<span>galois</span></a> <a href=\"https://infosec.exchange/tags/mathresearch\" class=\"mention hashtag\" rel=\"tag\">#<span>mathresearch</span></a> <a href=\"https://infosec.exchange/tags/powerseries\" class=\"mention hashtag\" rel=\"tag\">#<span>powerseries</span></a></p><p><a href=\"https://www.tandfonline.com/doi/full/10.1080/00029890.2025.2460966#d1e7853\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">tandfonline.com/doi/full/10.10</span><span class=\"invisible\">80/00029890.2025.2460966#d1e7853</span></a></p>" }, "updated": "2025-05-03T18:21:58Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/math", "name": "#math" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/algebra", "name": "#algebra" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/combinatorics", "name": "#combinatorics" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/galois", "name": "#galois" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/mathresearch", "name": "#mathresearch" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/powerseries", "name": "#powerseries" } ], "replies": { "id": "https://infosec.exchange/users/ksaj/statuses/114437270672959757/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/ksaj/statuses/114437270672959757/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/ksaj/statuses/114437270672959757/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/ksaj/statuses/114437270672959757/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://infosec.exchange/users/ksaj/statuses/114437270672959757/shares", "type": "Collection", "totalItems": 0 } }