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" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.social/users/randomwalker", "type": "Person", "following": "https://mastodon.social/users/randomwalker/following", "followers": "https://mastodon.social/users/randomwalker/followers", "inbox": "https://mastodon.social/users/randomwalker/inbox", "outbox": "https://mastodon.social/users/randomwalker/outbox", "featured": "https://mastodon.social/users/randomwalker/collections/featured", "featuredTags": "https://mastodon.social/users/randomwalker/collections/tags", "preferredUsername": "randomwalker", "name": "Arvind Narayanan", "summary": "<p>I&#39;m a computer science professor at Princeton. I write about AI hype &amp; harms, tech platforms, algorithmic bias, and the surveillance economy.</p><p>I&#39;ve been studying decentralized social media since the late 2000s, so I&#39;m excited to use and write about Mastodon at the same time.</p><p>Check out this symposium on algorithmic amplification that I&#39;m co-organizing: <a href=\"https://knightcolumbia.org/events/optimizing-for-what-algorithmic-amplification-and-society\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">knightcolumbia.org/events/opti</span><span class=\"invisible\">mizing-for-what-algorithmic-amplification-and-society</span></a></p>", "url": "https://mastodon.social/@randomwalker", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": false, "published": "2018-04-01T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.social/users/randomwalker#main-key", "owner": "https://mastodon.social/users/randomwalker", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0UCfLELNNPMpKyUcASF9\nPuJ9BXrQPj3w3/+vHN+kOXGZD4mJOLJjtc3TlwnHXodf81ZNoChXoS6u26VRLnh7\nLYHfEG6IC6vVx/QoCOpZyHHD4heU+3dRa4PaP3Hy+/Imy0pGUWeuzNWWtgmRPN9A\npVkMe0svTmuzPh/ppfIg1d0C5OSj/VXmW8WnyIC02thJsFZ3/YAZyKbuXHDepDrX\nUNocieRavgmNMtSyDehqBepltFgTrmorNgN26Tju9/QldzGkuPV8IGueO7WYmjuI\nHrgZrfca7mMigOeb8hZSgJxJFkBrXgrIHtoI7JqDOvZ3cxpVySC0GWsVZ+938GAF\nswIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://www.cs.princeton.edu/~arvindn/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">cs.princeton.edu/~arvindn/</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Substack: AI Snake Oil", "value": "<a href=\"https://aisnakeoil.com/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">aisnakeoil.com/</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Book: Fairness and machine learning", "value": "<a href=\"https://fairmlbook.org/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">fairmlbook.org/</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://files.mastodon.social/accounts/avatars/000/314/562/original/e4e9630dd11cf914.png" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/accounts/headers/000/314/562/original/16b8332ce9657e7a.jpeg" } }