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.social/users/stefanhoeltgen/statuses/114160904607261904",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-03-14T12:59:22Z",
"url": "https://mastodon.social/@stefanhoeltgen/114160904607261904",
"attributedTo": "https://mastodon.social/users/stefanhoeltgen",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/stefanhoeltgen/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-03-14:objectId=945630594:objectType=Conversation",
"content": "<p>Tracing back <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> language history to the root of the very first (mnemonic) <a href=\"https://mastodon.social/tags/GOTO\" class=\"mention hashtag\" rel=\"tag\">#<span>GOTO</span></a> instruction (jump/branch) I found two different sources:</p><p>1. In 1954 Nathanael Rochester developed the "first" mnemonic <a href=\"https://mastodon.social/tags/assembler\" class=\"mention hashtag\" rel=\"tag\">#<span>assembler</span></a> for the <a href=\"https://mastodon.social/tags/IBM\" class=\"mention hashtag\" rel=\"tag\">#<span>IBM</span></a> 701 <a href=\"https://mastodon.social/tags/mainframe\" class=\"mention hashtag\" rel=\"tag\">#<span>mainframe</span></a> computer that uses "TR" jump commands: <a href=\"https://shrtn.escalar.pt/ZuE5\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">shrtn.escalar.pt/ZuE5</span><span class=\"invisible\"></span></a></p><p>2. In 1947 the "manual" for the <a href=\"https://mastodon.social/tags/Whirlwind\" class=\"mention hashtag\" rel=\"tag\">#<span>Whirlwind</span></a> computer contained the "sp x" mnemonic: <a href=\"https://shrtn.escalar.pt/FdYC\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">shrtn.escalar.pt/FdYC</span><span class=\"invisible\"></span></a></p><p>So, which one was actually the "first" to use mnemonics for branching?</p>",
"contentMap": {
"de": "<p>Tracing back <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> language history to the root of the very first (mnemonic) <a href=\"https://mastodon.social/tags/GOTO\" class=\"mention hashtag\" rel=\"tag\">#<span>GOTO</span></a> instruction (jump/branch) I found two different sources:</p><p>1. In 1954 Nathanael Rochester developed the "first" mnemonic <a href=\"https://mastodon.social/tags/assembler\" class=\"mention hashtag\" rel=\"tag\">#<span>assembler</span></a> for the <a href=\"https://mastodon.social/tags/IBM\" class=\"mention hashtag\" rel=\"tag\">#<span>IBM</span></a> 701 <a href=\"https://mastodon.social/tags/mainframe\" class=\"mention hashtag\" rel=\"tag\">#<span>mainframe</span></a> computer that uses "TR" jump commands: <a href=\"https://shrtn.escalar.pt/ZuE5\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">shrtn.escalar.pt/ZuE5</span><span class=\"invisible\"></span></a></p><p>2. In 1947 the "manual" for the <a href=\"https://mastodon.social/tags/Whirlwind\" class=\"mention hashtag\" rel=\"tag\">#<span>Whirlwind</span></a> computer contained the "sp x" mnemonic: <a href=\"https://shrtn.escalar.pt/FdYC\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">shrtn.escalar.pt/FdYC</span><span class=\"invisible\"></span></a></p><p>So, which one was actually the "first" to use mnemonics for branching?</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://files.mastodon.social/media_attachments/files/114/160/887/869/209/813/original/da476a5e821732e5.png",
"name": null,
"blurhash": "U7MGz|~VIVof0L9aofWB$~-oM|WCxat6a|M|",
"width": 1164,
"height": 703
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/programming",
"name": "#programming"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/goto",
"name": "#goto"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/assembler",
"name": "#assembler"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/ibm",
"name": "#ibm"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/mainframe",
"name": "#mainframe"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/whirlwind",
"name": "#whirlwind"
}
],
"replies": {
"id": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904/likes",
"type": "Collection",
"totalItems": 12
},
"shares": {
"id": "https://mastodon.social/users/stefanhoeltgen/statuses/114160904607261904/shares",
"type": "Collection",
"totalItems": 8
}
}