ActivityPub Viewer

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.

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{ "@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/diyelectromusic/statuses/114324173990814209", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-12T09:00:55Z", "url": "https://mastodon.social/@diyelectromusic/114324173990814209", "attributedTo": "https://mastodon.social/users/diyelectromusic", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/diyelectromusic/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-12:objectId=970336488:objectType=Conversation", "content": "<p>I&#39;ve updated my <a href=\"https://mastodon.social/tags/picoDexed\" class=\"mention hashtag\" rel=\"tag\">#<span>picoDexed</span></a> to include a basic encoder/display UI and updated to the latest Pico SDK.</p><p>This is a port of Synth_Dexed to the Raspberry Pi PIco.</p><p>I also thought it was probably about time I actually documented the basic architecture :)</p><p><a href=\"https://diyelectromusic.com/2025/04/12/raspberry-pi-pico-synth_dexed-revisited/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">diyelectromusic.com/2025/04/12</span><span class=\"invisible\">/raspberry-pi-pico-synth_dexed-revisited/</span></a></p><p><a href=\"https://mastodon.social/tags/MIDI\" class=\"mention hashtag\" rel=\"tag\">#<span>MIDI</span></a> <a href=\"https://mastodon.social/tags/SynthDIY\" class=\"mention hashtag\" rel=\"tag\">#<span>SynthDIY</span></a> <a href=\"https://mastodon.social/tags/DX7\" class=\"mention hashtag\" rel=\"tag\">#<span>DX7</span></a> <a href=\"https://mastodon.social/tags/Synth_Dexed\" class=\"mention hashtag\" rel=\"tag\">#<span>Synth_Dexed</span></a></p>", "contentMap": { "en": "<p>I&#39;ve updated my <a href=\"https://mastodon.social/tags/picoDexed\" class=\"mention hashtag\" rel=\"tag\">#<span>picoDexed</span></a> to include a basic encoder/display UI and updated to the latest Pico SDK.</p><p>This is a port of Synth_Dexed to the Raspberry Pi PIco.</p><p>I also thought it was probably about time I actually documented the basic architecture :)</p><p><a href=\"https://diyelectromusic.com/2025/04/12/raspberry-pi-pico-synth_dexed-revisited/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">diyelectromusic.com/2025/04/12</span><span class=\"invisible\">/raspberry-pi-pico-synth_dexed-revisited/</span></a></p><p><a href=\"https://mastodon.social/tags/MIDI\" class=\"mention hashtag\" rel=\"tag\">#<span>MIDI</span></a> <a href=\"https://mastodon.social/tags/SynthDIY\" class=\"mention hashtag\" rel=\"tag\">#<span>SynthDIY</span></a> <a href=\"https://mastodon.social/tags/DX7\" class=\"mention hashtag\" rel=\"tag\">#<span>DX7</span></a> <a href=\"https://mastodon.social/tags/Synth_Dexed\" class=\"mention hashtag\" rel=\"tag\">#<span>Synth_Dexed</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/324/169/752/500/597/original/ac5304fed7513e58.jpeg", "name": "Photo of a Raspberry Pi Pico V1 on a PImoroni dual-extender backplane, connected via jumper wires to a MIDI interface, rotary encoder, PCM5102 DAC, and SSD1306 128x32 OLED display.", "blurhash": "UhL4pK_4-;t8xsWs-;fj%gjsIURjkCt7WBRk", "focalPoint": [ 0, 0 ], "width": 1940, "height": 1499 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/picodexed", "name": "#picodexed" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/synthdiy", "name": "#synthdiy" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/dx7", "name": "#dx7" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/synth_dexed", "name": "#synth_dexed" } ], "replies": { "id": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209/replies?min_id=114324176873713614&page=true", "partOf": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209/replies", "items": [ "https://mastodon.social/users/diyelectromusic/statuses/114324176873713614" ] } }, "likes": { "id": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.social/users/diyelectromusic/statuses/114324173990814209/shares", "type": "Collection", "totalItems": 6 } }