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/114335471898487844", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-14T08:54:08Z", "url": "https://sigmoid.social/@lysander07/114335471898487844", "attributedTo": "https://sigmoid.social/users/lysander07", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sigmoid.social/users/lysander07/followers", "https://mastodon.social/users/iswc_conf", "https://wisskomm.social/users/fiz_karlsruhe", "https://sigmoid.social/users/fizise", "https://sigmoid.social/users/AnnaJacyszyn" ], "sensitive": false, "atomUri": "https://sigmoid.social/users/lysander07/statuses/114335471898487844", "inReplyToAtomUri": null, "conversation": "tag:sigmoid.social,2025-04-14:objectId=55471326:objectType=Conversation", "content": "<p>5th International Workshop on Scientific Knowledge: Representation, Discovery, and Assessment (Sci-K 2025)<br />šŸ“¢šŸŖ˜šŸ“¢ Call for papers is OUT!<br /><a href=\"https://sci-k.github.io/2025/#call-for-papers\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">sci-k.github.io/2025/#call-for</span><span class=\"invisible\">-papers</span></a></p><p><a href=\"https://sigmoid.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://sigmoid.social/tags/knowledgegraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>knowledgegraphs</span></a> <a href=\"https://sigmoid.social/tags/semweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semweb</span></a> <a href=\"https://sigmoid.social/tags/semanticweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semanticweb</span></a> <a href=\"https://sigmoid.social/tags/networkscience\" class=\"mention hashtag\" rel=\"tag\">#<span>networkscience</span></a> <a href=\"https://sigmoid.social/tags/cfp\" class=\"mention hashtag\" rel=\"tag\">#<span>cfp</span></a> <a href=\"https://sigmoid.social/tags/iswc2025\" class=\"mention hashtag\" rel=\"tag\">#<span>iswc2025</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@iswc_conf\" class=\"u-url mention\">@<span>iswc_conf</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://wisskomm.social/@fiz_karlsruhe\" class=\"u-url mention\">@<span>fiz_karlsruhe</span></a></span> <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://sigmoid.social/@AnnaJacyszyn\" class=\"u-url mention\">@<span>AnnaJacyszyn</span></a></span></p>", "contentMap": { "en": "<p>5th International Workshop on Scientific Knowledge: Representation, Discovery, and Assessment (Sci-K 2025)<br />šŸ“¢šŸŖ˜šŸ“¢ Call for papers is OUT!<br /><a href=\"https://sci-k.github.io/2025/#call-for-papers\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">sci-k.github.io/2025/#call-for</span><span class=\"invisible\">-papers</span></a></p><p><a href=\"https://sigmoid.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://sigmoid.social/tags/knowledgegraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>knowledgegraphs</span></a> <a href=\"https://sigmoid.social/tags/semweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semweb</span></a> <a href=\"https://sigmoid.social/tags/semanticweb\" class=\"mention hashtag\" rel=\"tag\">#<span>semanticweb</span></a> <a href=\"https://sigmoid.social/tags/networkscience\" class=\"mention hashtag\" rel=\"tag\">#<span>networkscience</span></a> <a href=\"https://sigmoid.social/tags/cfp\" class=\"mention hashtag\" rel=\"tag\">#<span>cfp</span></a> <a href=\"https://sigmoid.social/tags/iswc2025\" class=\"mention hashtag\" rel=\"tag\">#<span>iswc2025</span></a> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@iswc_conf\" class=\"u-url mention\">@<span>iswc_conf</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://wisskomm.social/@fiz_karlsruhe\" class=\"u-url mention\">@<span>fiz_karlsruhe</span></a></span> <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://sigmoid.social/@AnnaJacyszyn\" class=\"u-url mention\">@<span>AnnaJacyszyn</span></a></span></p>" }, "updated": "2025-04-14T08:54:46Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/sigmoidsocial/media_attachments/files/114/335/467/234/688/770/original/61d614d59288f4ed.png", "name": "The image is a call for papers poster for the Sci-K 2025 workshop, which is the 5th International Workshop on Scientific Knowledge Representation, Discovery, and Assessment. The poster is divided into two sections: the left side features the Sci-K logo, which includes a light bulb with a molecular structure inside, and the text \"http://sci-k.github.io.\" Below the logo, there is a logo for ISWC 2025 Nara Japan, which includes a circuit board design. The right side of the poster is orange and contains the text \"Call for Papers\" in large, bold letters. Below this, it states the workshop's full name and its co-location with the International Semantic Web Conference (ISWC 2025). The submission deadline is listed as July 11th, 2025, and there is a URL for more information: \"https://sci-k.github.io/2025/#call-for-papers.\"\n\nProvided by @altbot, generated privately and locally using Ovis2-8B\n\n🌱 Energy used: 0.207 Wh", "blurhash": "U@R1;OyskWVsxZkCj[azjYWVfRj[ofj[fQbH", "focalPoint": [ 0, 0 ], "width": 1464, "height": 822 } ], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/iswc_conf", "name": "@iswc_conf@mastodon.social" }, { "type": "Mention", "href": "https://wisskomm.social/users/fiz_karlsruhe", "name": "@fiz_karlsruhe@wisskomm.social" }, { "type": "Mention", "href": "https://sigmoid.social/users/fizise", "name": "@fizise" }, { "type": "Mention", "href": "https://sigmoid.social/users/AnnaJacyszyn", "name": "@AnnaJacyszyn" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/KnowledgeGraphs", "name": "#KnowledgeGraphs" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/semweb", "name": "#semweb" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/semanticweb", "name": "#semanticweb" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/networkscience", "name": "#networkscience" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/cfp", "name": "#cfp" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/iswc2025", "name": "#iswc2025" } ], "replies": { "id": "https://sigmoid.social/users/lysander07/statuses/114335471898487844/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sigmoid.social/users/lysander07/statuses/114335471898487844/replies?only_other_accounts=true&page=true", "partOf": "https://sigmoid.social/users/lysander07/statuses/114335471898487844/replies", "items": [] } }, "likes": { "id": "https://sigmoid.social/users/lysander07/statuses/114335471898487844/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://sigmoid.social/users/lysander07/statuses/114335471898487844/shares", "type": "Collection", "totalItems": 7 } }