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://sigmoid.social/users/lysander07/statuses/111165708717244680", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-10-02T13:41:40Z", "url": "https://sigmoid.social/@lysander07/111165708717244680", "attributedTo": "https://sigmoid.social/users/lysander07", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sigmoid.social/users/lysander07/followers", "https://sigmoid.social/users/fizise", "https://fedihum.org/users/tabea", "https://fedihum.org/users/sashabruns", "https://hpi.social/users/Hasso_Plattner_Institute", "https://mastodon.social/users/KIT_Karlsruhe" ], "sensitive": false, "atomUri": "https://sigmoid.social/users/lysander07/statuses/111165708717244680", "inReplyToAtomUri": null, "conversation": "tag:sigmoid.social,2023-10-02:objectId=19807745:objectType=Conversation", "content": "<p>In only 8 days our new online <a href=\"https://sigmoid.social/tags/MOOC\" class=\"mention hashtag\" rel=\"tag\">#<span>MOOC</span></a> course Knowledge Graphs - Foundations and Applications is going to lift off. Free registration is still open! Please spread the word!<br /><a href=\"https://open.hpi.de/courses/knowledgegraphs2023\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.hpi.de/courses/knowledgeg</span><span class=\"invisible\">raphs2023</span></a><br /><span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@fizise\" class=\"u-url mention\">@<span>fizise</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@tabea\" class=\"u-url mention\">@<span>tabea</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@sashabruns\" class=\"u-url mention\">@<span>sashabruns</span></a></span> <a href=\"https://sigmoid.social/tags/knowledgegraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>knowledgegraphs</span></a> <a href=\"https://sigmoid.social/tags/semanticweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semanticweb</span></a> <a href=\"https://sigmoid.social/tags/linkeddata\" class=\"mention hashtag\" rel=\"tag\">#<span>linkeddata</span></a> <a href=\"https://sigmoid.social/tags/lod\" class=\"mention hashtag\" rel=\"tag\">#<span>lod</span></a> <a href=\"https://sigmoid.social/tags/llm\" class=\"mention hashtag\" rel=\"tag\">#<span>llm</span></a> <a href=\"https://sigmoid.social/tags/languagemodels\" class=\"mention hashtag\" rel=\"tag\">#<span>languagemodels</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://hpi.social/@Hasso_Plattner_Institute\" class=\"u-url mention\">@<span>Hasso_Plattner_Institute</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@KIT_Karlsruhe\" class=\"u-url mention\">@<span>KIT_Karlsruhe</span></a></span> <a href=\"https://sigmoid.social/tags/explainableAI\" class=\"mention hashtag\" rel=\"tag\">#<span>explainableAI</span></a> <a href=\"https://sigmoid.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://sigmoid.social/tags/lecture\" class=\"mention hashtag\" rel=\"tag\">#<span>lecture</span></a></p>", "contentMap": { "en": "<p>In only 8 days our new online <a href=\"https://sigmoid.social/tags/MOOC\" class=\"mention hashtag\" rel=\"tag\">#<span>MOOC</span></a> course Knowledge Graphs - Foundations and Applications is going to lift off. Free registration is still open! Please spread the word!<br /><a href=\"https://open.hpi.de/courses/knowledgegraphs2023\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.hpi.de/courses/knowledgeg</span><span class=\"invisible\">raphs2023</span></a><br /><span class=\"h-card\" translate=\"no\"><a href=\"https://sigmoid.social/@fizise\" class=\"u-url mention\">@<span>fizise</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@tabea\" class=\"u-url mention\">@<span>tabea</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://fedihum.org/@sashabruns\" class=\"u-url mention\">@<span>sashabruns</span></a></span> <a href=\"https://sigmoid.social/tags/knowledgegraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>knowledgegraphs</span></a> <a href=\"https://sigmoid.social/tags/semanticweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semanticweb</span></a> <a href=\"https://sigmoid.social/tags/linkeddata\" class=\"mention hashtag\" rel=\"tag\">#<span>linkeddata</span></a> <a href=\"https://sigmoid.social/tags/lod\" class=\"mention hashtag\" rel=\"tag\">#<span>lod</span></a> <a href=\"https://sigmoid.social/tags/llm\" class=\"mention hashtag\" rel=\"tag\">#<span>llm</span></a> <a href=\"https://sigmoid.social/tags/languagemodels\" class=\"mention hashtag\" rel=\"tag\">#<span>languagemodels</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://hpi.social/@Hasso_Plattner_Institute\" class=\"u-url mention\">@<span>Hasso_Plattner_Institute</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@KIT_Karlsruhe\" class=\"u-url mention\">@<span>KIT_Karlsruhe</span></a></span> <a href=\"https://sigmoid.social/tags/explainableAI\" class=\"mention hashtag\" rel=\"tag\">#<span>explainableAI</span></a> <a href=\"https://sigmoid.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://sigmoid.social/tags/lecture\" class=\"mention hashtag\" rel=\"tag\">#<span>lecture</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/sigmoidsocial/media_attachments/files/111/165/689/506/683/858/original/e06c2521e5fb7804.png", "name": "The new free MOOC course on OpenHPI \"Knowledge GRaphs - Foundations and Applications\" starts in 8 days. There will be 6 weeks of lectures, including exercises, tests, hands-on notebooks, etc.\nThe lecture team consists of Prof. Harald Sack, Sasha Bruns, Mary-Ann Tan, Tabea Tietz, and Mahsa Vafaie.", "blurhash": "UNOgKMDjMxWA_3M{jYWX00RiRjt8_NogRiRi", "focalPoint": [ 0, 0 ], "width": 1905, "height": 962 } ], "tag": [ { "type": "Mention", "href": "https://sigmoid.social/users/fizise", "name": "@fizise" }, { "type": "Mention", "href": "https://fedihum.org/users/tabea", "name": "@tabea@fedihum.org" }, { "type": "Mention", "href": "https://fedihum.org/users/sashabruns", "name": "@sashabruns@fedihum.org" }, { "type": "Mention", "href": "https://hpi.social/users/Hasso_Plattner_Institute", "name": "@Hasso_Plattner_Institute@hpi.social" }, { "type": "Mention", "href": "https://mastodon.social/users/KIT_Karlsruhe", "name": "@KIT_Karlsruhe@mastodon.social" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/mooc", "name": "#mooc" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/KnowledgeGraphs", "name": "#KnowledgeGraphs" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/semanticweb", "name": "#semanticweb" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/linkeddata", "name": "#linkeddata" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/lod", "name": "#lod" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/llm", "name": "#llm" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/languagemodels", "name": "#languagemodels" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/explainableai", "name": "#explainableai" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/lecture", "name": "#lecture" } ], "replies": { "id": "https://sigmoid.social/users/lysander07/statuses/111165708717244680/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sigmoid.social/users/lysander07/statuses/111165708717244680/replies?only_other_accounts=true&page=true", "partOf": "https://sigmoid.social/users/lysander07/statuses/111165708717244680/replies", "items": [] } }, "likes": { "id": "https://sigmoid.social/users/lysander07/statuses/111165708717244680/likes", "type": "Collection", "totalItems": 21 }, "shares": { "id": "https://sigmoid.social/users/lysander07/statuses/111165708717244680/shares", "type": "Collection", "totalItems": 20 } }