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://mstdn.mrmts.com/users/mrmts", "type": "Person", "following": "https://mstdn.mrmts.com/users/mrmts/following", "followers": "https://mstdn.mrmts.com/users/mrmts/followers", "inbox": "https://mstdn.mrmts.com/users/mrmts/inbox", "outbox": "https://mstdn.mrmts.com/users/mrmts/outbox", "featured": "https://mstdn.mrmts.com/users/mrmts/collections/featured", "featuredTags": "https://mstdn.mrmts.com/users/mrmts/collections/tags", "preferredUsername": "mrmts", "name": "Seiichi MORIMOTO", "summary": "<p>ウェブサイト<br /><a href=\"https://mrmts.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">mrmts.com</span><span class=\"invisible\"></span></a></p><p>2025年断酒・ストレッチ記録<br /><a href=\"https://docs.google.com/spreadsheets/d/1i8IDRQNzp7hGpoYc1VZwCccrA5GHUimhU0sD_ejkZpA/edit?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">docs.google.com/spreadsheets/d</span><span class=\"invisible\">/1i8IDRQNzp7hGpoYc1VZwCccrA5GHUimhU0sD_ejkZpA/edit?usp=sharing</span></a></p><p>この本で生殖補助医療の倫理学について書いています。<a href=\"https://amzn.to/3Z0JZfo\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">amzn.to/3Z0JZfo</span><span class=\"invisible\"></span></a></p><p>近年は小児の身体拘束について研究しています。</p>", "url": "https://mstdn.mrmts.com/@mrmts", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2023-03-01T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://mstdn.jp/users/mrmts" ], "publicKey": { "id": "https://mstdn.mrmts.com/users/mrmts#main-key", "owner": "https://mstdn.mrmts.com/users/mrmts", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6PowYIP5lqkwB5etimf2\nncz2xuosPHz9G/uAWtT5pE6JNuJ6mCUR0GT01+NpRIsH0vDo4DJyV5Sg0CSE/mkM\n/pj+CRvM+N7AFvW1/fD4C5gfaeD3HbkV0F2lJb2unBOcKu2pAjaBiKgO1lDiZTui\n5pLcxmnDYtXTuSpSVogwC68k25oVArp0K9DGdl5IzS4jyidxPvfHmeDd5Tn2jcMU\nA8mEnTNKjlTYxhqqKcX8W6Wbwpbk4+xzQNXX4FSnrg6TWHduTXXI702U+ulpZGNb\nSCrlY2NjGwt+jygF4hHGE8VSbzTHOnLeQy4gLfXRfS60+wgfsvpoKS389ZsHKpm/\nPwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "緊急時のMastodonアカウント", "value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://social.vivaldi.net/@mrmts\" class=\"u-url mention\">@<span>mrmts@vivaldi.net</span></a></span>" }, { "type": "PropertyValue", "name": "なんとなく作成したアカウント", "value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.online/@mrmts\" class=\"u-url mention\">@<span>mrmts@mastodon.online</span></a></span>" }, { "type": "PropertyValue", "name": "mozilla.social", "value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://mozilla.social/@mrmts\" class=\"u-url mention\">@<span>mrmts@mozilla.social</span></a></span>" } ], "endpoints": { "sharedInbox": "https://mstdn.mrmts.com/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://mstdn.mrmts.com/system/accounts/avatars/109/945/703/020/724/702/original/62b7925632cf4e7d.png" } }