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",
"blurhash": "toot:blurhash",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.sdf.org/users/machaddr/statuses/113877825491069652",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-01-23T13:08:38Z",
"url": "https://mastodon.sdf.org/@machaddr/113877825491069652",
"attributedTo": "https://mastodon.sdf.org/users/machaddr",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.sdf.org/users/machaddr/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.sdf.org/users/machaddr/statuses/113877825491069652",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.sdf.org,2025-01-23:objectId=237834906:objectType=Conversation",
"content": "<p>A Fundamental Exploration of Simple CPU Design</p><p>Building a simple CPU from the ground up offers invaluable insights into the inner workings of modern computing. By stripping away advanced features like superscalar pipelines, complex branch predictors, and massive caches, a minimalistic CPU design lays bare the core processes of fetching, decoding, and executing instructions.</p><p>Read More: <a href=\"https://machaddr.substack.com/p/a-fundamental-exploration-of-simple\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">machaddr.substack.com/p/a-fund</span><span class=\"invisible\">amental-exploration-of-simple</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/CPU\" class=\"mention hashtag\" rel=\"tag\">#<span>CPU</span></a> <a href=\"https://mastodon.sdf.org/tags/Design\" class=\"mention hashtag\" rel=\"tag\">#<span>Design</span></a> <a href=\"https://mastodon.sdf.org/tags/Electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>Electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/Computer\" class=\"mention hashtag\" rel=\"tag\">#<span>Computer</span></a> <a href=\"https://mastodon.sdf.org/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://mastodon.sdf.org/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://mastodon.sdf.org/tags/Implementation\" class=\"mention hashtag\" rel=\"tag\">#<span>Implementation</span></a></p>",
"contentMap": {
"en": "<p>A Fundamental Exploration of Simple CPU Design</p><p>Building a simple CPU from the ground up offers invaluable insights into the inner workings of modern computing. By stripping away advanced features like superscalar pipelines, complex branch predictors, and massive caches, a minimalistic CPU design lays bare the core processes of fetching, decoding, and executing instructions.</p><p>Read More: <a href=\"https://machaddr.substack.com/p/a-fundamental-exploration-of-simple\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">machaddr.substack.com/p/a-fund</span><span class=\"invisible\">amental-exploration-of-simple</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/CPU\" class=\"mention hashtag\" rel=\"tag\">#<span>CPU</span></a> <a href=\"https://mastodon.sdf.org/tags/Design\" class=\"mention hashtag\" rel=\"tag\">#<span>Design</span></a> <a href=\"https://mastodon.sdf.org/tags/Electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>Electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/Computer\" class=\"mention hashtag\" rel=\"tag\">#<span>Computer</span></a> <a href=\"https://mastodon.sdf.org/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://mastodon.sdf.org/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://mastodon.sdf.org/tags/Implementation\" class=\"mention hashtag\" rel=\"tag\">#<span>Implementation</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://mastodon.sdf.org/system/media_attachments/files/113/877/822/113/597/387/original/b056cf9a5c43bf65.jpeg",
"name": null,
"blurhash": "UFJ?cu};S}?9-inioIoL-nbcX3I@tLRnnlod",
"width": 2122,
"height": 977
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/cpu",
"name": "#cpu"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/design",
"name": "#design"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/electronics",
"name": "#electronics"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/computer",
"name": "#computer"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/science",
"name": "#science"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/opensource",
"name": "#opensource"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/implementation",
"name": "#implementation"
}
],
"replies": {
"id": "https://mastodon.sdf.org/users/machaddr/statuses/113877825491069652/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.sdf.org/users/machaddr/statuses/113877825491069652/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.sdf.org/users/machaddr/statuses/113877825491069652/replies",
"items": []
}
}
}