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" } ], "id": "https://mastodon.cr.yp.to/users/djb/statuses/110531452375808928", "type": "Note", "summary": null, "inReplyTo": "https://indieweb.social/users/briansmith/statuses/110515540644065793", "published": "2023-06-12T13:21:56Z", "url": "https://mastodon.cr.yp.to/@djb/110531452375808928", "attributedTo": "https://mastodon.cr.yp.to/users/djb", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.cr.yp.to/users/djb/followers", "https://indieweb.social/users/briansmith" ], "sensitive": false, "atomUri": "https://mastodon.cr.yp.to/users/djb/statuses/110531452375808928", "inReplyToAtomUri": "https://indieweb.social/users/briansmith/statuses/110515540644065793", "conversation": "tag:cr.yp.to,2023-06-09:objectId=21680:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://indieweb.social/@briansmith\" class=\"u-url mention\">@<span>briansmith</span></a></span> &quot;Stops attacks&quot; is referring to the class of attacks at hand. It doesn&#39;t mean &quot;stops all implementation attacks&quot; or even &quot;stops all timing attacks&quot;; see, e.g., the comment on crystal variability. For the class of attacks at hand, everyone agrees that the root cause is DVFS; Intel&#39;s documentation says how to turn that off; various tests comparing rdpmc, rdtsc, and NTP haven&#39;t falsified this. Recommendations against this defense instead come from performance hype.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://indieweb.social/@briansmith\" class=\"u-url mention\">@<span>briansmith</span></a></span> &quot;Stops attacks&quot; is referring to the class of attacks at hand. It doesn&#39;t mean &quot;stops all implementation attacks&quot; or even &quot;stops all timing attacks&quot;; see, e.g., the comment on crystal variability. For the class of attacks at hand, everyone agrees that the root cause is DVFS; Intel&#39;s documentation says how to turn that off; various tests comparing rdpmc, rdtsc, and NTP haven&#39;t falsified this. Recommendations against this defense instead come from performance hype.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://indieweb.social/users/briansmith", "name": "@briansmith@indieweb.social" } ], "replies": { "id": "https://mastodon.cr.yp.to/users/djb/statuses/110531452375808928/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.cr.yp.to/users/djb/statuses/110531452375808928/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.cr.yp.to/users/djb/statuses/110531452375808928/replies", "items": [] } } }