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://social.rma.ac.be/users/ras/statuses/114461898675886507", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-06T16:46:07Z", "url": "https://social.rma.ac.be/@ras/114461898675886507", "attributedTo": "https://social.rma.ac.be/users/ras", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.rma.ac.be/users/ras/followers" ], "sensitive": false, "atomUri": "https://social.rma.ac.be/users/ras/statuses/114461898675886507", "inReplyToAtomUri": null, "conversation": "tag:social.rma.ac.be,2025-05-06:objectId=3564:objectType=Conversation", "content": "<p>🚨 New open-access paper!</p><p>We present a standardized methodology to evaluate counter-drone (C-UAS) systems—validated through real-world trials in the EU <a href=\"https://social.rma.ac.be/tags/COURAGEOUS\" class=\"mention hashtag\" rel=\"tag\">#<span>COURAGEOUS</span></a> project.</p><p>📖 Read it here: <a href=\"https://www.mdpi.com/2504-446X/9/5/354\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">mdpi.com/2504-446X/9/5/354</span><span class=\"invisible\"></span></a></p><p><a href=\"https://social.rma.ac.be/tags/C_UAS\" class=\"mention hashtag\" rel=\"tag\">#<span>C_UAS</span></a> <a href=\"https://social.rma.ac.be/tags/Drones\" class=\"mention hashtag\" rel=\"tag\">#<span>Drones</span></a> <a href=\"https://social.rma.ac.be/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.rma.ac.be/tags/Standardization\" class=\"mention hashtag\" rel=\"tag\">#<span>Standardization</span></a> <a href=\"https://social.rma.ac.be/tags/OpenAccess\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenAccess</span></a> <a href=\"https://social.rma.ac.be/tags/UAV\" class=\"mention hashtag\" rel=\"tag\">#<span>UAV</span></a></p>", "contentMap": { "en": "<p>🚨 New open-access paper!</p><p>We present a standardized methodology to evaluate counter-drone (C-UAS) systems—validated through real-world trials in the EU <a href=\"https://social.rma.ac.be/tags/COURAGEOUS\" class=\"mention hashtag\" rel=\"tag\">#<span>COURAGEOUS</span></a> project.</p><p>📖 Read it here: <a href=\"https://www.mdpi.com/2504-446X/9/5/354\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">mdpi.com/2504-446X/9/5/354</span><span class=\"invisible\"></span></a></p><p><a href=\"https://social.rma.ac.be/tags/C_UAS\" class=\"mention hashtag\" rel=\"tag\">#<span>C_UAS</span></a> <a href=\"https://social.rma.ac.be/tags/Drones\" class=\"mention hashtag\" rel=\"tag\">#<span>Drones</span></a> <a href=\"https://social.rma.ac.be/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.rma.ac.be/tags/Standardization\" class=\"mention hashtag\" rel=\"tag\">#<span>Standardization</span></a> <a href=\"https://social.rma.ac.be/tags/OpenAccess\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenAccess</span></a> <a href=\"https://social.rma.ac.be/tags/UAV\" class=\"mention hashtag\" rel=\"tag\">#<span>UAV</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://social.rma.ac.be/system/media_attachments/files/114/461/898/050/707/625/original/2dbdf7ab71f13265.jpg", "name": null, "blurhash": "UoE|P{ROfkfS0Ft8j^axsRV]aekC$[kBogWB", "width": 3325, "height": 2494 } ], "tag": [ { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/courageous", "name": "#courageous" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/c_uas", "name": "#c_uas" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/drones", "name": "#drones" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/security", "name": "#security" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/standardization", "name": "#standardization" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/openaccess", "name": "#openaccess" }, { "type": "Hashtag", "href": "https://social.rma.ac.be/tags/uav", "name": "#uav" } ], "replies": { "id": "https://social.rma.ac.be/users/ras/statuses/114461898675886507/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.rma.ac.be/users/ras/statuses/114461898675886507/replies?only_other_accounts=true&page=true", "partOf": "https://social.rma.ac.be/users/ras/statuses/114461898675886507/replies", "items": [] } }, "likes": { "id": "https://social.rma.ac.be/users/ras/statuses/114461898675886507/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://social.rma.ac.be/users/ras/statuses/114461898675886507/shares", "type": "Collection", "totalItems": 1 } }