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.
{
"@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://mastodon.sdf.org/users/mbbrutman/statuses/114282043075353816",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-04-04T22:26:28Z",
"url": "https://mastodon.sdf.org/@mbbrutman/114282043075353816",
"attributedTo": "https://mastodon.sdf.org/users/mbbrutman",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.sdf.org/users/mbbrutman/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.sdf.org/users/mbbrutman/statuses/114282043075353816",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.sdf.org,2025-04-04:objectId=256432951:objectType=Conversation",
"content": "<p>Would you like to read about another 39 year old DOS bug that I found recently? This one causes an unlucky file to get truncated if it is in the wrong spot of a FAT12 partition when you move from an early version of DOS to a later one.</p><p>Get some popcorn and enjoy!</p><p><a href=\"https://www.brutman.com/Adventures_In_Code/FAT12_File_Truncation_Bug/FAT12_File_Truncation_Bug.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">brutman.com/Adventures_In_Code</span><span class=\"invisible\">/FAT12_File_Truncation_Bug/FAT12_File_Truncation_Bug.html</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/DOS\" class=\"mention hashtag\" rel=\"tag\">#<span>DOS</span></a></p>",
"contentMap": {
"en": "<p>Would you like to read about another 39 year old DOS bug that I found recently? This one causes an unlucky file to get truncated if it is in the wrong spot of a FAT12 partition when you move from an early version of DOS to a later one.</p><p>Get some popcorn and enjoy!</p><p><a href=\"https://www.brutman.com/Adventures_In_Code/FAT12_File_Truncation_Bug/FAT12_File_Truncation_Bug.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">brutman.com/Adventures_In_Code</span><span class=\"invisible\">/FAT12_File_Truncation_Bug/FAT12_File_Truncation_Bug.html</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/DOS\" class=\"mention hashtag\" rel=\"tag\">#<span>DOS</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/retrocomputing",
"name": "#retrocomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/dos",
"name": "#dos"
}
],
"replies": {
"id": "https://mastodon.sdf.org/users/mbbrutman/statuses/114282043075353816/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.sdf.org/users/mbbrutman/statuses/114282043075353816/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.sdf.org/users/mbbrutman/statuses/114282043075353816/replies",
"items": []
}
}
}