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://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114106381733559757", "published": "2025-03-05T15:20:54Z", "url": "https://mastodon.fozztexx.com/@fozztexx/114110500368438377", "attributedTo": "https://mastodon.fozztexx.com/users/fozztexx", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.fozztexx.com/users/fozztexx/followers" ], "sensitive": false, "atomUri": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377", "inReplyToAtomUri": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114106381733559757", "conversation": "tag:fozztexx.com,2025-03-04:objectId=620457:objectType=Conversation", "content": "<p>I can&#39;t believe how much special casing <a href=\"https://mastodon.fozztexx.com/tags/MSDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>MSDOS</span></a> does when it comes to files. First there was a difference between COPY and TYPE. Now there is a difference when trying to run a .EXE. Nope, can&#39;t just read bytes from a file and run them, there&#39;s some additional field somewhere that has to be set &quot;just right.”</p><p><a href=\"https://mastodon.fozztexx.com/tags/FujiNet\" class=\"mention hashtag\" rel=\"tag\">#<span>FujiNet</span></a> <a href=\"https://mastodon.fozztexx.com/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.fozztexx.com/tags/VintageComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>VintageComputing</span></a></p>", "contentMap": { "en": "<p>I can&#39;t believe how much special casing <a href=\"https://mastodon.fozztexx.com/tags/MSDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>MSDOS</span></a> does when it comes to files. First there was a difference between COPY and TYPE. Now there is a difference when trying to run a .EXE. Nope, can&#39;t just read bytes from a file and run them, there&#39;s some additional field somewhere that has to be set &quot;just right.”</p><p><a href=\"https://mastodon.fozztexx.com/tags/FujiNet\" class=\"mention hashtag\" rel=\"tag\">#<span>FujiNet</span></a> <a href=\"https://mastodon.fozztexx.com/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.fozztexx.com/tags/VintageComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>VintageComputing</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.fozztexx.com/system/media_attachments/files/114/110/500/160/098/061/original/4076585b5eba107b.png", "name": "screenshot of debug output with trying to run HELLO.EXE. The SFT is dumped to screen, the read calls are printed, the close happens, and then the computer just hangs", "blurhash": "U23IYJ_3-;xut7ofj[j[IURjfQWBWBoft7of", "width": 662, "height": 297 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.fozztexx.com/tags/msdos", "name": "#msdos" }, { "type": "Hashtag", "href": "https://mastodon.fozztexx.com/tags/fujinet", "name": "#fujinet" }, { "type": "Hashtag", "href": "https://mastodon.fozztexx.com/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.fozztexx.com/tags/vintagecomputing", "name": "#vintagecomputing" } ], "replies": { "id": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377/replies?min_id=114122448095364468&page=true", "partOf": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377/replies", "items": [ "https://mastodon.fozztexx.com/users/fozztexx/statuses/114122448095364468" ] } }, "likes": { "id": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mastodon.fozztexx.com/users/fozztexx/statuses/114110500368438377/shares", "type": "Collection", "totalItems": 4 } }