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://mstdn.social/users/DM_Ronin/statuses/114569265909184736", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-25T15:51:01Z", "url": "https://mstdn.social/@DM_Ronin/114569265909184736", "attributedTo": "https://mstdn.social/users/DM_Ronin", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/DM_Ronin/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2025-05-25:objectId=558836109:objectType=Conversation", "content": "<p>fascinating and interesting research on targeting avionics systems of Boeing planes - specifically, security analysis of hardware, protocols &amp; data manipulation <a href=\"https://dl.acm.org/doi/pdf/10.1145/3626205.3659144\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">dl.acm.org/doi/pdf/10.1145/362</span><span class=\"invisible\">6205.3659144</span></a></p><p>grand theft auto of planes coming soon 🙃 </p><p><a href=\"https://mstdn.social/tags/Embedded\" class=\"mention hashtag\" rel=\"tag\">#<span>Embedded</span></a> <a href=\"https://mstdn.social/tags/Hardware\" class=\"mention hashtag\" rel=\"tag\">#<span>Hardware</span></a> <a href=\"https://mstdn.social/tags/ReverseEngineering\" class=\"mention hashtag\" rel=\"tag\">#<span>ReverseEngineering</span></a> <a href=\"https://mstdn.social/tags/Hacking\" class=\"mention hashtag\" rel=\"tag\">#<span>Hacking</span></a> <a href=\"https://mstdn.social/tags/InfoSec\" class=\"mention hashtag\" rel=\"tag\">#<span>InfoSec</span></a></p>", "contentMap": { "en": "<p>fascinating and interesting research on targeting avionics systems of Boeing planes - specifically, security analysis of hardware, protocols &amp; data manipulation <a href=\"https://dl.acm.org/doi/pdf/10.1145/3626205.3659144\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">dl.acm.org/doi/pdf/10.1145/362</span><span class=\"invisible\">6205.3659144</span></a></p><p>grand theft auto of planes coming soon 🙃 </p><p><a href=\"https://mstdn.social/tags/Embedded\" class=\"mention hashtag\" rel=\"tag\">#<span>Embedded</span></a> <a href=\"https://mstdn.social/tags/Hardware\" class=\"mention hashtag\" rel=\"tag\">#<span>Hardware</span></a> <a href=\"https://mstdn.social/tags/ReverseEngineering\" class=\"mention hashtag\" rel=\"tag\">#<span>ReverseEngineering</span></a> <a href=\"https://mstdn.social/tags/Hacking\" class=\"mention hashtag\" rel=\"tag\">#<span>Hacking</span></a> <a href=\"https://mstdn.social/tags/InfoSec\" class=\"mention hashtag\" rel=\"tag\">#<span>InfoSec</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mstdn.social/media_attachments/files/114/569/233/833/176/590/original/6837d760a1725d6e.png", "name": "Figure 7: Experimental Setup with Garmin GTN 750: This\nimage depicts our attack method in action, where the radar\naltimeter’s altitude data is intentionally overwritten with a\nfictitious value.\n\nImage is a display of Garmin GTN 750 navigation system with different settings including:\n- active com channel 122.500;\n- standby com channel 121.755;\n- Radar\n- GSL (ground sensing localisation) 1960 ft;\n- GEN Timer 00:00;\n- Active Navigation channel 108.10;\n- Standby Navigation channel 108.00\n\nGPS Solution: 3D NAV\nPosition: redacted\nRadar map shows several dots", "blurhash": "UgHy5qWA$~R+01fPocaz~WfRWsjrD$j]ogax", "focalPoint": [ 0, 0 ], "width": 435, "height": 513 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/Embedded", "name": "#Embedded" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/Hardware", "name": "#Hardware" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/reverseengineering", "name": "#reverseengineering" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/Hacking", "name": "#Hacking" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/InfoSec", "name": "#InfoSec" } ], "replies": { "id": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mstdn.social/users/DM_Ronin/statuses/114569265909184736/shares", "type": "Collection", "totalItems": 4 } }