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/TedUnderwood", "type": "Person", "following": "https://sigmoid.social/users/TedUnderwood/following", "followers": "https://sigmoid.social/users/TedUnderwood/followers", "inbox": "https://sigmoid.social/users/TedUnderwood/inbox", "outbox": "https://sigmoid.social/users/TedUnderwood/outbox", "featured": "https://sigmoid.social/users/TedUnderwood/collections/featured", "featuredTags": "https://sigmoid.social/users/TedUnderwood/collections/tags", "preferredUsername": "TedUnderwood", "name": "Ted Underwood", "summary": "<p>I use machine learning to study cultural history at the School of Information Sciences, UIUC. Also <a href=\"https://sigmoid.social/tags/generativeAI\" class=\"mention hashtag\" rel=\"tag\">#<span>generativeAI</span></a>, <a href=\"https://sigmoid.social/tags/digitalhumanities\" class=\"mention hashtag\" rel=\"tag\">#<span>digitalhumanities</span></a>, <a href=\"https://sigmoid.social/tags/sciencefiction\" class=\"mention hashtag\" rel=\"tag\">#<span>sciencefiction</span></a>, <a href=\"https://sigmoid.social/tags/computational\" class=\"mention hashtag\" rel=\"tag\">#<span>computational</span></a> <a href=\"https://sigmoid.social/tags/socialscience\" class=\"mention hashtag\" rel=\"tag\">#<span>socialscience</span></a>. Author of Distant Horizons (Chicago, 2019). <a href=\"https://sigmoid.social/tags/tfr\" class=\"mention hashtag\" rel=\"tag\">#<span>tfr</span></a> <a href=\"https://sigmoid.social/tags/fedi22\" class=\"mention hashtag\" rel=\"tag\">#<span>fedi22</span></a></p>", "url": "https://sigmoid.social/@TedUnderwood", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": false, "published": "2022-11-08T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://scholar.social/users/TedUnderwood" ], "publicKey": { "id": "https://sigmoid.social/users/TedUnderwood#main-key", "owner": "https://sigmoid.social/users/TedUnderwood", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsQDSCAGMx2IsVel7bz0u\nNWPgP1PJ0uMLG1lcoPZbCfEjf9ZY5tc+qP+Yl+7cWG559vZi/jvhoKar0Yjjzel7\n6/BYo+1ZIy44xBJUNpWLzNacdWVLek7zvy8uR1mQLv96Ul5Y/pFHFT/ac+crkfah\nZO+o2K3+Q2nGQuTfodvClVlWBe41uvxL/SpIFWHMR9JC9nvKK1ue2AjpAanb6i0G\nl+4rz5NvVwts+4BBYthkFIGmYmUvRMiyTpqm3QDRoqhblbgHjhwAa+tBrURs1qnU\n33atH9byNj9r1f4QMPbeibwmzCs/FaKX/rO01sUTyFvmrJm/K4uzyHpn1Fcg4Eiv\nuQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://sigmoid.social/tags/sciencefiction", "name": "#sciencefiction" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/digitalhumanities", "name": "#digitalhumanities" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/computational", "name": "#computational" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/socialscience", "name": "#socialscience" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/generativeAI", "name": "#generativeAI" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/fedi22", "name": "#fedi22" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/tfr", "name": "#tfr" } ], "attachment": [ { "type": "PropertyValue", "name": "book", "value": "<a href=\"https://press.uchicago.edu/ucp/books/book/chicago/D/bo35853783.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">press.uchicago.edu/ucp/books/b</span><span class=\"invisible\">ook/chicago/D/bo35853783.html</span></a>" }, { "type": "PropertyValue", "name": "blog", "value": "<a href=\"https://tedunderwood.com/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">tedunderwood.com/</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "GitHub", "value": "<a href=\"https://github.com/tedunderwood\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/tedunderwood</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Threads", "value": "threads.net/@tedunderwoodillinois" } ], "endpoints": { "sharedInbox": "https://sigmoid.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/310/526/892/848/843/original/246bc58220091ff6.png" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/sigmoidsocial/accounts/headers/109/310/526/892/848/843/original/2e9661640847070c.jpg" } }