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.social/users/aaronk6/statuses/114231032819758897",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-03-26T22:13:54Z",
"url": "https://mastodon.social/@aaronk6/114231032819758897",
"attributedTo": "https://mastodon.social/users/aaronk6",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
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"sensitive": false,
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"content": "<p>I still haven’t wrapped my head around <a href=\"https://mastodon.social/tags/nixpkgs\" class=\"mention hashtag\" rel=\"tag\">#<span>nixpkgs</span></a>. I have my packages defined in .nixpkgs/darwin-configuration.nix:</p><p>environment.systemPackages = [<br /> pkgs.yt-dlp<br /> # …</p><p>The installed version of yt-dlp is 2025.02.19, but 2025.03.21 is already released. I tried updating:</p><p>$ nix-channel --update<br />$ darwin-rebuild switch</p><p>But I’m still on the old version, even though I’m using nixpkgs-unstable. Only when I run `nix-shell -p yt-dlp`, I will get an env with the latest version. Why?</p><p><a href=\"https://mastodon.social/tags/nixos\" class=\"mention hashtag\" rel=\"tag\">#<span>nixos</span></a> <a href=\"https://mastodon.social/tags/darwin\" class=\"mention hashtag\" rel=\"tag\">#<span>darwin</span></a></p>",
"contentMap": {
"en": "<p>I still haven’t wrapped my head around <a href=\"https://mastodon.social/tags/nixpkgs\" class=\"mention hashtag\" rel=\"tag\">#<span>nixpkgs</span></a>. I have my packages defined in .nixpkgs/darwin-configuration.nix:</p><p>environment.systemPackages = [<br /> pkgs.yt-dlp<br /> # …</p><p>The installed version of yt-dlp is 2025.02.19, but 2025.03.21 is already released. I tried updating:</p><p>$ nix-channel --update<br />$ darwin-rebuild switch</p><p>But I’m still on the old version, even though I’m using nixpkgs-unstable. Only when I run `nix-shell -p yt-dlp`, I will get an env with the latest version. Why?</p><p><a href=\"https://mastodon.social/tags/nixos\" class=\"mention hashtag\" rel=\"tag\">#<span>nixos</span></a> <a href=\"https://mastodon.social/tags/darwin\" class=\"mention hashtag\" rel=\"tag\">#<span>darwin</span></a></p>"
},
"attachment": [],
"tag": [
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"href": "https://mastodon.social/tags/nixpkgs",
"name": "#nixpkgs"
},
{
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"href": "https://mastodon.social/tags/nixos",
"name": "#nixos"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/darwin",
"name": "#darwin"
}
],
"replies": {
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"type": "Collection",
"first": {
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"next": "https://mastodon.social/users/aaronk6/statuses/114231032819758897/replies?min_id=114247834383217515&page=true",
"partOf": "https://mastodon.social/users/aaronk6/statuses/114231032819758897/replies",
"items": [
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}
},
"likes": {
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"totalItems": 0
},
"shares": {
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}