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.acm.org/users/avandeursen", "type": "Person", "following": "https://mastodon.acm.org/users/avandeursen/following", "followers": "https://mastodon.acm.org/users/avandeursen/followers", "inbox": "https://mastodon.acm.org/users/avandeursen/inbox", "outbox": "https://mastodon.acm.org/users/avandeursen/outbox", "featured": "https://mastodon.acm.org/users/avandeursen/collections/featured", "featuredTags": "https://mastodon.acm.org/users/avandeursen/collections/tags", "preferredUsername": "avandeursen", "name": "Arie van Deursen 🇳🇱🇪🇺🟥", "summary": "<p>Professor in software engineering at TU Delft. Software testing, software architecture, developer productivity, open source, fintech, trustworthy AI, digitalization, language models.
Member Advisory Council on IT Assessment (AcICT) of the Dutch government.
 Opinions are my own. Boost ≠ endorsement. He/him.</p>", "url": "https://mastodon.acm.org/@avandeursen", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2023-08-18T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://fediscience.org/users/avandeursen" ], "publicKey": { "id": "https://mastodon.acm.org/users/avandeursen#main-key", "owner": "https://mastodon.acm.org/users/avandeursen", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuiyUOZuCFzufiW4wueiZ\n6BmWHSGTiCFtO0FwpWUZbDFLMXXUxg5LKCnAn3sqfTabR79ECuYN8tWKFP/qGNJv\n7YLf40fGy2XvB8KFNo1hXBjQqkh3YNh2zUQssj02Zf4bXzU6e/sL5kmdnQuSL5sj\n/iiDE2EAf/gELTyR5iepGWi/lXGJnD5i8S/uL/YXpG9fHWPN5/c6PRuDB4ZKKwMK\n/j7AOHT/dgwphqx+G9e37aR8aWLGZRZKyHtJo+3gwQV382XOU78uurI9IusUXKSf\nlLR/S20ax5Ve1tt/8Nfne5pk0g/j5scKm3TLL65DT/935X0G+kduAaL5Yap6ZRK3\nnQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "About & Blog", "value": "<a href=\"https://avandeursen.com/about\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">avandeursen.com/about</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Papers", "value": "<a href=\"https://scholar.google.com/citations?hl=en&amp;user=jjCkWXgAAAAJ&amp;view_op=list_works\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scholar.google.com/citations?h</span><span class=\"invisible\">l=en&amp;user=jjCkWXgAAAAJ&amp;view_op=list_works</span></a>" }, { "type": "PropertyValue", "name": "TU Delft", "value": "<a href=\"https://www.tudelft.nl/en/staff/arie.vandeursen/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">tudelft.nl/en/staff/arie.vande</span><span class=\"invisible\">ursen/</span></a>" }, { "type": "PropertyValue", "name": "Twitter (inactive)", "value": "<a href=\"https://twitter.com/avandeursen\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">twitter.com/avandeursen</span><span class=\"invisible\"></span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.acm.org/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.acm.org/system/accounts/avatars/110/911/595/358/965/459/original/90da81bd64913964.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.acm.org/system/accounts/headers/110/911/595/358/965/459/original/0b87bc0f6af92d30.jpeg" } }