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", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://datasci.social/users/heads/statuses/114103336564483727", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-04T08:59:03Z", "url": "https://datasci.social/@heads/114103336564483727", "attributedTo": "https://datasci.social/users/heads", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://datasci.social/users/heads/followers" ], "sensitive": false, "atomUri": "https://datasci.social/users/heads/statuses/114103336564483727", "inReplyToAtomUri": null, "conversation": "tag:datasci.social,2025-03-04:objectId=9897556:objectType=Conversation", "content": "<p>🚀 HPC-Launch 🚀</p><p>A 1-day course on High-Performance Computing (<a href=\"https://datasci.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a>) &amp; Research Data Management (<a href=\"https://datasci.social/tags/RDM\" class=\"mention hashtag\" rel=\"tag\">#<span>RDM</span></a>).</p><p>⚠ Basic knowledge of R/Python/bash recommended.</p><p>🗓 8 April<br />📍 Panum, University of Copenhagen<br />✏ Register: <a href=\"https://heads.ku.dk/calendar/2025/courses/hpc-launch-spring-2025/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">heads.ku.dk/calendar/2025/cour</span><span class=\"invisible\">ses/hpc-launch-spring-2025/</span></a></p><p><a href=\"https://datasci.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a> <a href=\"https://datasci.social/tags/Supercomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>Supercomputing</span></a> <a href=\"https://datasci.social/tags/DataScience\" class=\"mention hashtag\" rel=\"tag\">#<span>DataScience</span></a> <a href=\"https://datasci.social/tags/PhD\" class=\"mention hashtag\" rel=\"tag\">#<span>PhD</span></a> <a href=\"https://datasci.social/tags/Course\" class=\"mention hashtag\" rel=\"tag\">#<span>Course</span></a> <a href=\"https://datasci.social/tags/Bigdata\" class=\"mention hashtag\" rel=\"tag\">#<span>Bigdata</span></a> <a href=\"https://datasci.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://datasci.social/tags/HealthDataScience\" class=\"mention hashtag\" rel=\"tag\">#<span>HealthDataScience</span></a> <a href=\"https://datasci.social/tags/UCPH\" class=\"mention hashtag\" rel=\"tag\">#<span>UCPH</span></a> <a href=\"https://datasci.social/tags/R\" class=\"mention hashtag\" rel=\"tag\">#<span>R</span></a> <a href=\"https://datasci.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://datasci.social/tags/Bash\" class=\"mention hashtag\" rel=\"tag\">#<span>Bash</span></a> <a href=\"https://datasci.social/tags/Unix\" class=\"mention hashtag\" rel=\"tag\">#<span>Unix</span></a></p>", "contentMap": { "en": "<p>🚀 HPC-Launch 🚀</p><p>A 1-day course on High-Performance Computing (<a href=\"https://datasci.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a>) &amp; Research Data Management (<a href=\"https://datasci.social/tags/RDM\" class=\"mention hashtag\" rel=\"tag\">#<span>RDM</span></a>).</p><p>⚠ Basic knowledge of R/Python/bash recommended.</p><p>🗓 8 April<br />📍 Panum, University of Copenhagen<br />✏ Register: <a href=\"https://heads.ku.dk/calendar/2025/courses/hpc-launch-spring-2025/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">heads.ku.dk/calendar/2025/cour</span><span class=\"invisible\">ses/hpc-launch-spring-2025/</span></a></p><p><a href=\"https://datasci.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a> <a href=\"https://datasci.social/tags/Supercomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>Supercomputing</span></a> <a href=\"https://datasci.social/tags/DataScience\" class=\"mention hashtag\" rel=\"tag\">#<span>DataScience</span></a> <a href=\"https://datasci.social/tags/PhD\" class=\"mention hashtag\" rel=\"tag\">#<span>PhD</span></a> <a href=\"https://datasci.social/tags/Course\" class=\"mention hashtag\" rel=\"tag\">#<span>Course</span></a> <a href=\"https://datasci.social/tags/Bigdata\" class=\"mention hashtag\" rel=\"tag\">#<span>Bigdata</span></a> <a href=\"https://datasci.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://datasci.social/tags/HealthDataScience\" class=\"mention hashtag\" rel=\"tag\">#<span>HealthDataScience</span></a> <a href=\"https://datasci.social/tags/UCPH\" class=\"mention hashtag\" rel=\"tag\">#<span>UCPH</span></a> <a href=\"https://datasci.social/tags/R\" class=\"mention hashtag\" rel=\"tag\">#<span>R</span></a> <a href=\"https://datasci.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://datasci.social/tags/Bash\" class=\"mention hashtag\" rel=\"tag\">#<span>Bash</span></a> <a href=\"https://datasci.social/tags/Unix\" class=\"mention hashtag\" rel=\"tag\">#<span>Unix</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://sb-82bx3xp8al.b-cdn.net/media_attachments/files/114/103/336/449/402/758/original/925b47e3aa9fd5a2.png", "name": null, "blurhash": "ULQJQ8R44TxaKmElPWtRa#%MIp%Mrrs;IAV[", "width": 1024, "height": 576 } ], "tag": [ { "type": "Hashtag", "href": "https://datasci.social/tags/hpc", "name": "#hpc" }, { "type": "Hashtag", "href": "https://datasci.social/tags/rdm", "name": "#rdm" }, { "type": "Hashtag", "href": "https://datasci.social/tags/supercomputing", "name": "#supercomputing" }, { "type": "Hashtag", "href": "https://datasci.social/tags/datascience", "name": "#datascience" }, { "type": "Hashtag", "href": "https://datasci.social/tags/phd", "name": "#phd" }, { "type": "Hashtag", "href": "https://datasci.social/tags/course", "name": "#course" }, { "type": "Hashtag", "href": "https://datasci.social/tags/bigdata", "name": "#bigdata" }, { "type": "Hashtag", "href": "https://datasci.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://datasci.social/tags/healthdatascience", "name": "#healthdatascience" }, { "type": "Hashtag", "href": "https://datasci.social/tags/ucph", "name": "#ucph" }, { "type": "Hashtag", "href": "https://datasci.social/tags/r", "name": "#r" }, { "type": "Hashtag", "href": "https://datasci.social/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://datasci.social/tags/bash", "name": "#bash" }, { "type": "Hashtag", "href": "https://datasci.social/tags/unix", "name": "#unix" } ], "replies": { "id": "https://datasci.social/users/heads/statuses/114103336564483727/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://datasci.social/users/heads/statuses/114103336564483727/replies?only_other_accounts=true&page=true", "partOf": "https://datasci.social/users/heads/statuses/114103336564483727/replies", "items": [] } }, "likes": { "id": "https://datasci.social/users/heads/statuses/114103336564483727/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://datasci.social/users/heads/statuses/114103336564483727/shares", "type": "Collection", "totalItems": 3 } }