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.world/users/petrnuska/statuses/114103104190394332/replies",
"type": "Collection",
"first": {
"id": "https://mastodon.world/users/petrnuska/statuses/114103104190394332/replies?page=true",
"type": "CollectionPage",
"next": "https://mastodon.world/users/petrnuska/statuses/114103104190394332/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.world/users/petrnuska/statuses/114103104190394332/replies",
"items": [
{
"id": "https://mastodon.world/users/petrnuska/statuses/114103106586228933",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.world/users/petrnuska/statuses/114103104190394332",
"published": "2025-03-04T08:00:34Z",
"url": "https://mastodon.world/@petrnuska/114103106586228933",
"attributedTo": "https://mastodon.world/users/petrnuska",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.world/users/petrnuska/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.world/users/petrnuska/statuses/114103106586228933",
"inReplyToAtomUri": "https://mastodon.world/users/petrnuska/statuses/114103104190394332",
"conversation": "tag:mastodon.world,2025-03-04:objectId=381788341:objectType=Conversation",
"content": "<p>Then, we discussed and tried out various contemporary music information retrieval methods with a special focus on accompanying <a href=\"https://mastodon.world/tags/harmonies\" class=\"mention hashtag\" rel=\"tag\">#<span>harmonies</span></a> (aka <a href=\"https://mastodon.world/tags/chords\" class=\"mention hashtag\" rel=\"tag\">#<span>chords</span></a>).</p><p>The first method to come up was “Automatic chord recognition” (<a href=\"https://mastodon.world/tags/ACR\" class=\"mention hashtag\" rel=\"tag\">#<span>ACR</span></a>), a method that scientists have worked on for over 25 years.</p><p>A nice summary of this ongoing research (with the most significant challenges identified) can be found in this 5-year-old article => <a href=\"https://archives.ismir.net/ismir2019/paper/000004.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">archives.ismir.net/ismir2019/p</span><span class=\"invisible\">aper/000004.pdf</span></a></p><p><a href=\"https://mastodon.world/tags/RomaniChords\" class=\"mention hashtag\" rel=\"tag\">#<span>RomaniChords</span></a></p><p>🧵4/20</p>",
"contentMap": {
"en": "<p>Then, we discussed and tried out various contemporary music information retrieval methods with a special focus on accompanying <a href=\"https://mastodon.world/tags/harmonies\" class=\"mention hashtag\" rel=\"tag\">#<span>harmonies</span></a> (aka <a href=\"https://mastodon.world/tags/chords\" class=\"mention hashtag\" rel=\"tag\">#<span>chords</span></a>).</p><p>The first method to come up was “Automatic chord recognition” (<a href=\"https://mastodon.world/tags/ACR\" class=\"mention hashtag\" rel=\"tag\">#<span>ACR</span></a>), a method that scientists have worked on for over 25 years.</p><p>A nice summary of this ongoing research (with the most significant challenges identified) can be found in this 5-year-old article => <a href=\"https://archives.ismir.net/ismir2019/paper/000004.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">archives.ismir.net/ismir2019/p</span><span class=\"invisible\">aper/000004.pdf</span></a></p><p><a href=\"https://mastodon.world/tags/RomaniChords\" class=\"mention hashtag\" rel=\"tag\">#<span>RomaniChords</span></a></p><p>🧵4/20</p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://s3.eu-central-2.wasabisys.com/mastodonworld/media_attachments/files/114/103/105/715/477/646/original/b7538c3854b5513a.png",
"name": "A print screen from the software “Samplab” shows sonic data like a piano roll.",
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0,
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],
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"height": 1820
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/harmonies",
"name": "#harmonies"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/chords",
"name": "#chords"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/acr",
"name": "#acr"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/romanichords",
"name": "#romanichords"
}
],
"replies": {
"id": "https://mastodon.world/users/petrnuska/statuses/114103106586228933/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.world/users/petrnuska/statuses/114103106586228933/replies?min_id=114103109291762819&page=true",
"partOf": "https://mastodon.world/users/petrnuska/statuses/114103106586228933/replies",
"items": [
"https://mastodon.world/users/petrnuska/statuses/114103109291762819"
]
}
},
"likes": {
"id": "https://mastodon.world/users/petrnuska/statuses/114103106586228933/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://mastodon.world/users/petrnuska/statuses/114103106586228933/shares",
"type": "Collection",
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}
}
]
}
}