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/bjonnh/collections/featured", "type": "OrderedCollection", "totalItems": 4, "orderedItems": [ { "id": "https://mastodon.social/users/bjonnh/statuses/113660394801490693", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-12-16T03:33:09Z", "url": "https://mastodon.social/@bjonnh/113660394801490693", "attributedTo": "https://mastodon.social/users/bjonnh", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/bjonnh/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/bjonnh/statuses/113660394801490693", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-12-16:objectId=872886265:objectType=Conversation", "content": "<p>Made a <a href=\"https://mastodon.social/tags/MIDI\" class=\"mention hashtag\" rel=\"tag\">#<span>MIDI</span></a> breath-controller. Surprisingly reactive. <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/controller\" class=\"mention hashtag\" rel=\"tag\">#<span>controller</span></a> <a href=\"https://mastodon.social/tags/blob\" class=\"mention hashtag\" rel=\"tag\">#<span>blob</span></a> <a href=\"https://mastodon.social/tags/bitwig\" class=\"mention hashtag\" rel=\"tag\">#<span>bitwig</span></a> <a href=\"https://mastodon.social/tags/arduino\" class=\"mention hashtag\" rel=\"tag\">#<span>arduino</span></a></p><p><a href=\"https://www.bjonnh.net/project/breath_controller/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bjonnh.net/project/breath_cont</span><span class=\"invisible\">roller/</span></a></p>", "contentMap": { "en": "<p>Made a <a href=\"https://mastodon.social/tags/MIDI\" class=\"mention hashtag\" rel=\"tag\">#<span>MIDI</span></a> breath-controller. Surprisingly reactive. <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/controller\" class=\"mention hashtag\" rel=\"tag\">#<span>controller</span></a> <a href=\"https://mastodon.social/tags/blob\" class=\"mention hashtag\" rel=\"tag\">#<span>blob</span></a> <a href=\"https://mastodon.social/tags/bitwig\" class=\"mention hashtag\" rel=\"tag\">#<span>bitwig</span></a> <a href=\"https://mastodon.social/tags/arduino\" class=\"mention hashtag\" rel=\"tag\">#<span>arduino</span></a></p><p><a href=\"https://www.bjonnh.net/project/breath_controller/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bjonnh.net/project/breath_cont</span><span class=\"invisible\">roller/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/113/660/380/383/309/435/original/a6425442aa04a66c.mp4", "name": "Bitwig playing some music, with a webcam view of the device. It is a white plastic blob with a usb cable going in and a silicon tube. The blob changes color depending on how hard and if you suck (blue) or blow (green), or red for under/over pressure. There is also a live graph of the MIDI data. ", "blurhash": "U37-NTMc?b%MoY?HsmxtD+~WMxRj?t4.%MaL", "focalPoint": [ 0, 0 ], "width": 1920, "height": 1080 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rp2040", "name": "#rp2040" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/controller", "name": "#controller" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/blob", "name": "#blob" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bitwig", "name": "#bitwig" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/arduino", "name": "#arduino" } ], "replies": { "id": "https://mastodon.social/users/bjonnh/statuses/113660394801490693/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/bjonnh/statuses/113660394801490693/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/bjonnh/statuses/113660394801490693/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/bjonnh/statuses/113660394801490693/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mastodon.social/users/bjonnh/statuses/113660394801490693/shares", "type": "Collection", "totalItems": 4 } }, { "id": "https://mastodon.social/users/bjonnh/statuses/112771353733770421", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-07-12T03:18:18Z", "url": "https://mastodon.social/@bjonnh/112771353733770421", "attributedTo": "https://mastodon.social/users/bjonnh", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/bjonnh/followers", "https://mastodon.social/users/diyelectromusic", "https://mastodon.social/users/todbot" ], "sensitive": false, "atomUri": "https://mastodon.social/users/bjonnh/statuses/112771353733770421", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-07-12:objectId=750097913:objectType=Conversation", "content": "<p>I decided to work with the garage door up (<a href=\"https://notes.andymatuschak.org/Work_with_the_garage_door_up\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">notes.andymatuschak.org/Work_w</span><span class=\"invisible\">ith_the_garage_door_up</span></a>) on my new project for a MIDI controller workshop. Inspired by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@diyelectromusic\" class=\"u-url mention\">@<span>diyelectromusic</span></a></span> and <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@todbot\" class=\"u-url mention\">@<span>todbot</span></a></span> designs. This is a <a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> controller and <a href=\"https://mastodon.social/tags/synth\" class=\"mention hashtag\" rel=\"tag\">#<span>synth</span></a> that also does USB midi interface hopefully below $20. Can be followed at: <a href=\"https://www.bjonnh.net/project/emmg_midi_synth_controller/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bjonnh.net/project/emmg_midi_s</span><span class=\"invisible\">ynth_controller/</span></a></p>", "contentMap": { "en": "<p>I decided to work with the garage door up (<a href=\"https://notes.andymatuschak.org/Work_with_the_garage_door_up\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">notes.andymatuschak.org/Work_w</span><span class=\"invisible\">ith_the_garage_door_up</span></a>) on my new project for a MIDI controller workshop. Inspired by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@diyelectromusic\" class=\"u-url mention\">@<span>diyelectromusic</span></a></span> and <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@todbot\" class=\"u-url mention\">@<span>todbot</span></a></span> designs. This is a <a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> controller and <a href=\"https://mastodon.social/tags/synth\" class=\"mention hashtag\" rel=\"tag\">#<span>synth</span></a> that also does USB midi interface hopefully below $20. Can be followed at: <a href=\"https://www.bjonnh.net/project/emmg_midi_synth_controller/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">bjonnh.net/project/emmg_midi_s</span><span class=\"invisible\">ynth_controller/</span></a></p>" }, "updated": "2024-07-12T03:21:14Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/112/771/345/870/149/445/original/54e8d0827e8eeee8.png", "name": "Rendering of Plan 2 seen from the front with a Raspberry Pico on the top left, a tiny oled screen on its right a jack on the right of the screen. Below the screen are two jacks that cannot be seen on this render. There are 8 potentiometers vertical. A button and pads arranged in 4x3", "blurhash": "UOD0u%u0x[nT_Ntjk7r_yEoLacj]noVaaMg1", "focalPoint": [ 0.05, 0.29 ], "width": 779, "height": 976 } ], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/diyelectromusic", "name": "@diyelectromusic" }, { "type": "Mention", "href": "https://mastodon.social/users/todbot", "name": "@todbot" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/synth", "name": "#synth" } ], "replies": { "id": "https://mastodon.social/users/bjonnh/statuses/112771353733770421/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/bjonnh/statuses/112771353733770421/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/bjonnh/statuses/112771353733770421/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/bjonnh/statuses/112771353733770421/likes", "type": "Collection", "totalItems": 15 }, "shares": { "id": "https://mastodon.social/users/bjonnh/statuses/112771353733770421/shares", "type": "Collection", "totalItems": 9 } }, { "id": "https://mastodon.social/users/bjonnh/statuses/112538558183677491", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-06-01T00:35:20Z", "url": "https://mastodon.social/@bjonnh/112538558183677491", "attributedTo": "https://mastodon.social/users/bjonnh", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/bjonnh/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/bjonnh/statuses/112538558183677491", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-06-01:objectId=720025380:objectType=Conversation", "content": "<p>Made some mini <a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> 3v3 interface boards to easily add midi to microcontroller projects (mostly <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/raspberrypico\" class=\"mention hashtag\" rel=\"tag\">#<span>raspberrypico</span></a> these days) They even have micro leds that tell you when signal flows in or out. </p><p><a href=\"https://www.bjonnh.net/project/minitopus/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">bjonnh.net/project/minitopus/</span><span class=\"invisible\"></span></a></p>", "contentMap": { "en": "<p>Made some mini <a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> 3v3 interface boards to easily add midi to microcontroller projects (mostly <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/raspberrypico\" class=\"mention hashtag\" rel=\"tag\">#<span>raspberrypico</span></a> these days) They even have micro leds that tell you when signal flows in or out. </p><p><a href=\"https://www.bjonnh.net/project/minitopus/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">bjonnh.net/project/minitopus/</span><span class=\"invisible\"></span></a></p>" }, "updated": "2024-06-01T20:47:03Z", "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/112/538/558/148/456/450/original/460f5d70a206e3cd.jpg", "name": "a small board 28x22mm with two 3.5mm jacks, an optocoupler and two microscopic leds. you can see connectors for 3v3 gnd tx and rx. the board is green components are black and the jack connectors have some gold metal.", "blurhash": "Uu4EHmXVbdj]k]bdf5f5XVf5jCe.bIe-jXjZ", "width": 2040, "height": 1536 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rp2040", "name": "#rp2040" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/RaspberryPico", "name": "#RaspberryPico" } ], "replies": { "id": "https://mastodon.social/users/bjonnh/statuses/112538558183677491/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/bjonnh/statuses/112538558183677491/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/bjonnh/statuses/112538558183677491/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/bjonnh/statuses/112538558183677491/likes", "type": "Collection", "totalItems": 21 }, "shares": { "id": "https://mastodon.social/users/bjonnh/statuses/112538558183677491/shares", "type": "Collection", "totalItems": 7 } }, { "id": "https://mastodon.social/users/bjonnh/statuses/112332570162863557", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-04-25T15:29:52Z", "url": "https://mastodon.social/@bjonnh/112332570162863557", "attributedTo": "https://mastodon.social/users/bjonnh", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/bjonnh/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/bjonnh/statuses/112332570162863557", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-04-25:objectId=693562806:objectType=Conversation", "content": "<p><a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.social/tags/raspberry\" class=\"mention hashtag\" rel=\"tag\">#<span>raspberry</span></a> <a href=\"https://mastodon.social/tags/pico\" class=\"mention hashtag\" rel=\"tag\">#<span>pico</span></a> <a href=\"https://mastodon.social/tags/arduino\" class=\"mention hashtag\" rel=\"tag\">#<span>arduino</span></a> <a href=\"https://mastodon.social/tags/kicad\" class=\"mention hashtag\" rel=\"tag\">#<span>kicad</span></a> <a href=\"https://mastodon.social/tags/dinoctopus\" class=\"mention hashtag\" rel=\"tag\">#<span>dinoctopus</span></a><br />The v2 of the midi router works great. It is much smaller than v1 and easier to make (90% soldered by JLCPCB). All configurable using sysex and with a webui if necessary.</p><p><a href=\"https://www.bjonnh.net/project/dinoctopus/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">bjonnh.net/project/dinoctopus/</span><span class=\"invisible\"></span></a></p>", "contentMap": { "en": "<p><a href=\"https://mastodon.social/tags/midi\" class=\"mention hashtag\" rel=\"tag\">#<span>midi</span></a> <a href=\"https://mastodon.social/tags/rp2040\" class=\"mention hashtag\" rel=\"tag\">#<span>rp2040</span></a> <a href=\"https://mastodon.social/tags/diy\" class=\"mention hashtag\" rel=\"tag\">#<span>diy</span></a> <a href=\"https://mastodon.social/tags/raspberry\" class=\"mention hashtag\" rel=\"tag\">#<span>raspberry</span></a> <a href=\"https://mastodon.social/tags/pico\" class=\"mention hashtag\" rel=\"tag\">#<span>pico</span></a> <a href=\"https://mastodon.social/tags/arduino\" class=\"mention hashtag\" rel=\"tag\">#<span>arduino</span></a> <a href=\"https://mastodon.social/tags/kicad\" class=\"mention hashtag\" rel=\"tag\">#<span>kicad</span></a> <a href=\"https://mastodon.social/tags/dinoctopus\" class=\"mention hashtag\" rel=\"tag\">#<span>dinoctopus</span></a><br />The v2 of the midi router works great. It is much smaller than v1 and easier to make (90% soldered by JLCPCB). All configurable using sysex and with a webui if necessary.</p><p><a href=\"https://www.bjonnh.net/project/dinoctopus/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">bjonnh.net/project/dinoctopus/</span><span class=\"invisible\"></span></a></p>" }, "updated": "2024-06-01T22:58:38Z", "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/112/332/570/084/005/694/original/e152182cbe438672.mp4", "name": "a small board with a raspberry pico on it mounted on headers on the right. on the left, we can see 5 jack 3.5mm ports, and 5 other on the other side of the board. There is a cable connecting two port together and leds that blink showing which port is sending/receiving data.", "blurhash": "UBBy~q-os8gM}@%gELWB;QELELMyx]R*jsf*", "width": 1280, "height": 720 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/midi", "name": "#midi" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rp2040", "name": "#rp2040" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/diy", "name": "#diy" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/raspberry", "name": "#raspberry" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/pico", "name": "#pico" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/arduino", "name": "#arduino" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/kicad", "name": "#kicad" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/dinoctopus", "name": "#dinoctopus" } ], "replies": { "id": "https://mastodon.social/users/bjonnh/statuses/112332570162863557/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/bjonnh/statuses/112332570162863557/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/bjonnh/statuses/112332570162863557/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/bjonnh/statuses/112332570162863557/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.social/users/bjonnh/statuses/112332570162863557/shares", "type": "Collection", "totalItems": 0 } } ] }