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.

Open in browser →
{ "@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", "Hashtag": "as:Hashtag" } ], "id": "https://sueden.social/users/me_/statuses/114327131725381224", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-12T21:33:07Z", "url": "https://sueden.social/@me_/114327131725381224", "attributedTo": "https://sueden.social/users/me_", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sueden.social/users/me_/followers" ], "sensitive": false, "atomUri": "https://sueden.social/users/me_/statuses/114327131725381224", "inReplyToAtomUri": null, "conversation": "tag:sueden.social,2025-04-12:objectId=97401709:objectType=Conversation", "content": "<p>Fun fact: the &quot;mx&quot; MIPS Ultrix to Alpha OSF/1 binary executable translator has a MIPS and an Alpha binary. </p><p>The Alpha binary was binary translated from the MIPS version (the &quot;mxr&quot; executable implies it is run from the mx runtime)!</p><p>$ file usr/bin/ultrix/mx <br />usr/bin/ultrix/mx: MIPSEL ECOFF executable (paged) stripped - version 2.10<br />$ file usr/bin/aosf/mx <br />usr/bin/aosf/mx: a /usr/bin/mxr script executable (binary data)</p><p><a href=\"https://web.stanford.edu/class/cs343/resources/binary-translation.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">web.stanford.edu/class/cs343/r</span><span class=\"invisible\">esources/binary-translation.pdf</span></a></p><p><a href=\"https://sueden.social/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://sueden.social/tags/DEC\" class=\"mention hashtag\" rel=\"tag\">#<span>DEC</span></a> <a href=\"https://sueden.social/tags/Alpha\" class=\"mention hashtag\" rel=\"tag\">#<span>Alpha</span></a> <a href=\"https://sueden.social/tags/AXP\" class=\"mention hashtag\" rel=\"tag\">#<span>AXP</span></a></p>", "contentMap": { "en": "<p>Fun fact: the &quot;mx&quot; MIPS Ultrix to Alpha OSF/1 binary executable translator has a MIPS and an Alpha binary. </p><p>The Alpha binary was binary translated from the MIPS version (the &quot;mxr&quot; executable implies it is run from the mx runtime)!</p><p>$ file usr/bin/ultrix/mx <br />usr/bin/ultrix/mx: MIPSEL ECOFF executable (paged) stripped - version 2.10<br />$ file usr/bin/aosf/mx <br />usr/bin/aosf/mx: a /usr/bin/mxr script executable (binary data)</p><p><a href=\"https://web.stanford.edu/class/cs343/resources/binary-translation.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">web.stanford.edu/class/cs343/r</span><span class=\"invisible\">esources/binary-translation.pdf</span></a></p><p><a href=\"https://sueden.social/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://sueden.social/tags/DEC\" class=\"mention hashtag\" rel=\"tag\">#<span>DEC</span></a> <a href=\"https://sueden.social/tags/Alpha\" class=\"mention hashtag\" rel=\"tag\">#<span>Alpha</span></a> <a href=\"https://sueden.social/tags/AXP\" class=\"mention hashtag\" rel=\"tag\">#<span>AXP</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://sueden.social/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://sueden.social/tags/dec", "name": "#dec" }, { "type": "Hashtag", "href": "https://sueden.social/tags/alpha", "name": "#alpha" }, { "type": "Hashtag", "href": "https://sueden.social/tags/AXP", "name": "#AXP" } ], "replies": { "id": "https://sueden.social/users/me_/statuses/114327131725381224/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sueden.social/users/me_/statuses/114327131725381224/replies?only_other_accounts=true&page=true", "partOf": "https://sueden.social/users/me_/statuses/114327131725381224/replies", "items": [] } }, "likes": { "id": "https://sueden.social/users/me_/statuses/114327131725381224/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://sueden.social/users/me_/statuses/114327131725381224/shares", "type": "Collection", "totalItems": 1 } }