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", "https://w3id.org/security/v1", { "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "attributionDomains": { "@id": "toot:attributionDomains", "@type": "@id" }, "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://sigmoid.social/users/fizise", "type": "Person", "following": "https://sigmoid.social/users/fizise/following", "followers": "https://sigmoid.social/users/fizise/followers", "inbox": "https://sigmoid.social/users/fizise/inbox", "outbox": "https://sigmoid.social/users/fizise/outbox", "featured": "https://sigmoid.social/users/fizise/collections/featured", "featuredTags": "https://sigmoid.social/users/fizise/collections/tags", "preferredUsername": "fizise", "name": "FIZ ISE Research Group", "summary": "<p>This is Information Service Engineering Research Group at FIZ Karlsruhe - Leibniz Institute for Information Infrastructure &amp; Institute for Applied Informatics and Formal Description Systems (AIFB) at Karlsruhe Institut of Technology (KIT). Our research is focused on <a href=\"https://sigmoid.social/tags/KnowledgeGraphs\" class=\"mention hashtag\" rel=\"tag\">#<span>KnowledgeGraphs</span></a>, Knowledge Extraction, Ontological Engineering, and Representation Learning within application domains such as Digital Humanities, Materials Science, or Research Data Management.</p>", "url": "https://sigmoid.social/@fizise", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": false, "published": "2022-11-27T00:00:00Z", "memorial": false, "publicKey": { "id": "https://sigmoid.social/users/fizise#main-key", "owner": "https://sigmoid.social/users/fizise", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3MAWqsdCMv55gXRRpivB\nJHTDsGt8Y8NJGRhe2Eg041XWtvYw/dkP9PZeMTB5dvtuRdpWC/VdcSn7WLP/w8la\nWFBiMAOfWDXuOk9DjWoAgqjTLjtGyMDUXHNu7UC8N1aEYvYUJp6UQTSmjaSE58X5\ntYsB5vOX45wwCGaZLiTqiNR9wLfbChgIdGSRztirgazlmikM5goUdRGUHoK+xXtv\ngWfn5BDPjl39UJ7x0+T+6hNppqg0bl/NlI4BpL9SM9iKEvWeaeB+ZTl5rFk84UrK\ncMlBRwcR9lBiuCDUhp3T/MvXU+fA/Ivrsq2drITu3uIn/dCiwDFbXEpOHsZDhpVV\n+wIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://sigmoid.social/tags/KnowledgeGraphs", "name": "#KnowledgeGraphs" } ], "attachment": [ { "type": "PropertyValue", "name": "Research", "value": "Semantic Technologies, Knowledge Extraction, Ontology Engineering, Representation Learning" }, { "type": "PropertyValue", "name": "web", "value": "<a href=\"https://www.fiz-karlsruhe.de/de/bereiche/information-service-engineering\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fiz-karlsruhe.de/de/bereiche/i</span><span class=\"invisible\">nformation-service-engineering</span></a>" }, { "type": "PropertyValue", "name": "Google Scholar", "value": "<a href=\"https://scholar.google.de/citations?user=BdfC5EMAAAAJ&amp;hl=de&amp;authuser=1\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scholar.google.de/citations?us</span><span class=\"invisible\">er=BdfC5EMAAAAJ&amp;hl=de&amp;authuser=1</span></a>" }, { "type": "PropertyValue", "name": "GitHub", "value": "<a href=\"https://github.com/ISE-FIZKarlsruhe\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/ISE-FIZKarlsruhe</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://sigmoid.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/416/148/485/593/736/original/246a289b70ca0918.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/sigmoidsocial/accounts/headers/109/416/148/485/593/736/original/806553d0b1a2895b.jpg" } }