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://mathstodon.xyz/users/Nicolai_Kraus", "type": "Person", "following": "https://mathstodon.xyz/users/Nicolai_Kraus/following", "followers": "https://mathstodon.xyz/users/Nicolai_Kraus/followers", "inbox": "https://mathstodon.xyz/users/Nicolai_Kraus/inbox", "outbox": "https://mathstodon.xyz/users/Nicolai_Kraus/outbox", "featured": "https://mathstodon.xyz/users/Nicolai_Kraus/collections/featured", "featuredTags": "https://mathstodon.xyz/users/Nicolai_Kraus/collections/tags", "preferredUsername": "Nicolai_Kraus", "name": "Nicolai Kraus", "summary": "<p>I&#39;m a professor of theoretical computer science at the University of Nottingham. I&#39;m working in the area of dependent type theory (favourite proof assistant: Agda), especially homotopy type theory.</p>", "url": "https://mathstodon.xyz/@Nicolai_Kraus", "manuallyApprovesFollowers": false, "discoverable": false, "indexable": false, "published": "2024-02-20T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mathstodon.xyz/users/Nicolai_Kraus#main-key", "owner": "https://mathstodon.xyz/users/Nicolai_Kraus", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmWJB148Yn1pCYIyERfo0\nFJjDJqJnO4RdGzBhAaL3cx9EwRIc2l+mYS384SYVaTbBd0rqvc2iCZECyoRzhTfM\nLMHxpUqODBPmwhy/LHMe/dlsZ9mg111NqIdXZhUklViL9gG2qCWrgbhGK14ehHsj\nrYV3OIVIJZdYSh+dlmC4itUMMif0iqM/nOkabzsIXHNWJowcm78n2QTuv6+GbQWP\nRrgci4GBFqxhF3a2rqpTLlsc2vbDJpYknIXwSo7g09bfcEajcpPLb3kGcRqDCxTC\nZWhDD+0fG9pWMSI1duHOc9MKiZ/0bOfamFRMfId3wZpZEHI9TbvJork6cUt51QQB\nfQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "website", "value": "<a href=\"https://nicolaikraus.github.io/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">nicolaikraus.github.io/</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mathstodon.xyz/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/accounts/avatars/111/964/742/805/989/905/original/01442f68f7992324.jpg" } }