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/davbucci/statuses/113697657908450986",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890",
"published": "2024-12-22T17:29:38Z",
"url": "https://mastodon.sdf.org/@davbucci/113697657908450986",
"attributedTo": "https://mastodon.sdf.org/users/davbucci",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.sdf.org/users/davbucci/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.sdf.org/users/davbucci/statuses/113697657908450986",
"inReplyToAtomUri": "https://mastodon.sdf.org/users/davbucci/statuses/113682063499596890",
"conversation": "tag:mastodon.sdf.org,2024-12-15:objectId=229306891:objectType=Conversation",
"content": "<p>It turns out that using the MIDI2SwinSID in MIDI MULTI mode (i.e. generating a different sound for each MIDI channel) is quite difficult, given the limitations of having just 6 voices with many filter and FM settings that have to be common for each SID. So I wrote a voice distribution algorithm and to debug it the synt shows the attribution table by pressing the button on the STM32 card. <a href=\"https://mastodon.sdf.org/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.sdf.org/tags/stm32\" class=\"mention hashtag\" rel=\"tag\">#<span>stm32</span></a> <a href=\"https://mastodon.sdf.org/tags/sid\" class=\"mention hashtag\" rel=\"tag\">#<span>sid</span></a> <a href=\"https://mastodon.sdf.org/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/music\" class=\"mention hashtag\" rel=\"tag\">#<span>music</span></a> <a href=\"https://mastodon.sdf.org/tags/commodore64\" class=\"mention hashtag\" rel=\"tag\">#<span>commodore64</span></a></p>",
"contentMap": {
"en": "<p>It turns out that using the MIDI2SwinSID in MIDI MULTI mode (i.e. generating a different sound for each MIDI channel) is quite difficult, given the limitations of having just 6 voices with many filter and FM settings that have to be common for each SID. So I wrote a voice distribution algorithm and to debug it the synt shows the attribution table by pressing the button on the STM32 card. <a href=\"https://mastodon.sdf.org/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.sdf.org/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.sdf.org/tags/stm32\" class=\"mention hashtag\" rel=\"tag\">#<span>stm32</span></a> <a href=\"https://mastodon.sdf.org/tags/sid\" class=\"mention hashtag\" rel=\"tag\">#<span>sid</span></a> <a href=\"https://mastodon.sdf.org/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/music\" class=\"mention hashtag\" rel=\"tag\">#<span>music</span></a> <a href=\"https://mastodon.sdf.org/tags/commodore64\" class=\"mention hashtag\" rel=\"tag\">#<span>commodore64</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://mastodon.sdf.org/system/media_attachments/files/113/697/631/863/535/482/original/a142481b179e0e9e.png",
"name": "The LCD screen of the STM32F429-DISCO evaluation board, showing the voice attribution table on top of the standard instrument screen.",
"blurhash": "UP4V@$a?V-jDs4bIbJjui=fnkEjvjUa%fma{",
"width": 1152,
"height": 1536
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/electronics",
"name": "#electronics"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/diy",
"name": "#diy"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/stm32",
"name": "#stm32"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/sid",
"name": "#sid"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/midi",
"name": "#midi"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/retrocomputing",
"name": "#retrocomputing"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/music",
"name": "#music"
},
{
"type": "Hashtag",
"href": "https://mastodon.sdf.org/tags/commodore64",
"name": "#commodore64"
}
],
"replies": {
"id": "https://mastodon.sdf.org/users/davbucci/statuses/113697657908450986/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.sdf.org/users/davbucci/statuses/113697657908450986/replies?min_id=113697716373408469&page=true",
"partOf": "https://mastodon.sdf.org/users/davbucci/statuses/113697657908450986/replies",
"items": [
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]
}
}
}