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://mathstodon.xyz/users/paulbalduf", "type": "Person", "following": "https://mathstodon.xyz/users/paulbalduf/following", "followers": "https://mathstodon.xyz/users/paulbalduf/followers", "inbox": "https://mathstodon.xyz/users/paulbalduf/inbox", "outbox": "https://mathstodon.xyz/users/paulbalduf/outbox", "featured": "https://mathstodon.xyz/users/paulbalduf/collections/featured", "featuredTags": "https://mathstodon.xyz/users/paulbalduf/collections/tags", "preferredUsername": "paulbalduf", "name": "Paul Balduf", "summary": "<p>Theoretical physicist.<br />Postdoc at the Mathematical Institute, University of Oxford, and associate postdoc at Perimeter Institute for Theoretical Physics.<br />I work with Feynman graphs, combinatorics of power series, resurgence theory, and do a lot of C++ programming.<br />My goal is to understand the physical properties of renormalized Green functions in quantum field theory. <br />What, actually, is an instanton?<br /><a href=\"https://mathstodon.xyz/tags/quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>quantum</span></a> <a href=\"https://mathstodon.xyz/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a><br /><a href=\"https://mathstodon.xyz/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a></p>", "url": "https://mathstodon.xyz/@paulbalduf", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": false, "published": "2024-03-11T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mathstodon.xyz/users/paulbalduf#main-key", "owner": "https://mathstodon.xyz/users/paulbalduf", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApbiGLAY9CwFYJIwaxUbW\nmLhiGc2cFcZ5NNW1QfE+vqtcU4ceHvj3DxOl9evUBdERbcfcf6rlkaurp0eRh7dn\nMOhzzeOVecwsQ3GjpGO5/Ez8sP5XPoj3oaF0TOmSzCny8Yvjj48taHbrPif0GlH1\n+ZaCfW/2gCvZwpRBQhghEOP1LDpWlQ3392dEuNYKRrqRABfBEOJ50EFcevkeAqAP\nCEEdAaDwMe3Q2+Wd9eYMAAJPmBLin6MGP2zGRSget2pyA4HKxjXUn9qZde4WIGuT\n1pAyEz4R+K5+q3cC2IDHfvvaVULTMsV4gwDH7gqo62GP4x2p1AxRy+Gt5XKMOTFc\nUwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/quantum", "name": "#quantum" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/math", "name": "#math" } ], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "<a href=\"https://paulbalduf.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">paulbalduf.com</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mathstodon.xyz/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/accounts/avatars/112/078/772/694/831/571/original/8d8a9b3db6286068.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/accounts/headers/112/078/772/694/831/571/original/6fb6d118d49bd34f.png" } }