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" } } ], "id": "https://social.hackerspace.pl/users/q3k/statuses/111528165627522619", "type": "Note", "summary": null, "inReplyTo": "https://social.hackerspace.pl/users/q3k/statuses/111528162462505087", "published": "2023-12-05T13:59:13Z", "url": "https://social.hackerspace.pl/@q3k/111528165627522619", "attributedTo": "https://social.hackerspace.pl/users/q3k", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.hackerspace.pl/users/q3k/followers" ], "sensitive": false, "atomUri": "https://social.hackerspace.pl/users/q3k/statuses/111528165627522619", "inReplyToAtomUri": "https://social.hackerspace.pl/users/q3k/statuses/111528162462505087", "conversation": "tag:hackerspace.pl,2023-12-05:objectId=2359142:objectType=Conversation", "content": "<p>We found that the PLC code actually contained logic that would lock up the train with bogus error codes after some date, or if the train wasn&#39;t running for a given time. One version of the controller actually contained GPS coordinates to contain the behaviour to third party workshops.</p><p>It was also possible to unlock the trains by pressing a key combination in the cabin controls. None of this was documented.</p><p>2/4</p>", "contentMap": { "en": "<p>We found that the PLC code actually contained logic that would lock up the train with bogus error codes after some date, or if the train wasn&#39;t running for a given time. One version of the controller actually contained GPS coordinates to contain the behaviour to third party workshops.</p><p>It was also possible to unlock the trains by pressing a key combination in the cabin controls. None of this was documented.</p><p>2/4</p>" }, "updated": "2023-12-05T14:04:33Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://object.ceph-waw3.hswaw.net/mastodon-prod/media_attachments/files/111/528/164/371/123/713/original/4753298f022e1259.png", "name": "A Selectron CPU831 TCMS/PLC on a workbench, being probed and programmed.", "blurhash": "UAECI8DjIVvyGdX9iuNGodj[D%EMsRn+fnRl", "focalPoint": [ 0, 0 ], "width": 1600, "height": 1197 }, { "type": "Document", "mediaType": "image/png", "url": "https://object.ceph-waw3.hswaw.net/mastodon-prod/media_attachments/files/111/528/185/056/590/929/original/3b71c66145a1f05c.png", "name": "Coordinates of a third-party workshop extracted from PLC, overlaid on a map.", "blurhash": "U89s|?xHGEACIVt7oytQ1bI:+^#lShofniV@", "focalPoint": [ -0.19, 0.09 ], "width": 580, "height": 435 } ], "tag": [], "replies": { "id": "https://social.hackerspace.pl/users/q3k/statuses/111528165627522619/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.hackerspace.pl/users/q3k/statuses/111528165627522619/replies?min_id=111528169261508544&page=true", "partOf": "https://social.hackerspace.pl/users/q3k/statuses/111528165627522619/replies", "items": [ "https://social.hackerspace.pl/users/q3k/statuses/111528169261508544" ] } } }