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.murkworks.net/users/moira/statuses/113773288204766251", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-05T02:03:25Z", "url": "https://mastodon.murkworks.net/@moira/113773288204766251", "attributedTo": "https://mastodon.murkworks.net/users/moira", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.murkworks.net/users/moira/followers" ], "sensitive": false, "atomUri": "https://mastodon.murkworks.net/users/moira/statuses/113773288204766251", "inReplyToAtomUri": null, "conversation": "tag:mastodon.murkworks.net,2025-01-05:objectId=16037461:objectType=Conversation", "content": "<p>So I ran the 2 MHz signal from the EICO through the big pushbutton switch to test all these inputs that appear to be tied together in DC...</p><p>...and even with an AC signal, other than VHS, they&#39;re still all tied together. At least at 2 MHz.</p><p>In this example, where I have it connected to input 3 of four in the big combined input block, the signal level actually goes _down_ a little when the input with an actual signal on it is selected. It&#39;s slightly _higher_ when _other_, disconnected inputs are selected.</p><p>What even of switchbox is this supposed to be?</p><p>The signal is 800mV by the way so it&#39;s being trimmed in all cases. Even on the &quot;VCR&quot; switch, it loses around 50mV of signal - a bit over 6%.</p><p><a href=\"https://mastodon.murkworks.net/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.murkworks.net/tags/rf\" class=\"mention hashtag\" rel=\"tag\">#<span>rf</span></a> <a href=\"https://mastodon.murkworks.net/tags/wtf\" class=\"mention hashtag\" rel=\"tag\">#<span>wtf</span></a></p>", "contentMap": { "en": "<p>So I ran the 2 MHz signal from the EICO through the big pushbutton switch to test all these inputs that appear to be tied together in DC...</p><p>...and even with an AC signal, other than VHS, they&#39;re still all tied together. At least at 2 MHz.</p><p>In this example, where I have it connected to input 3 of four in the big combined input block, the signal level actually goes _down_ a little when the input with an actual signal on it is selected. It&#39;s slightly _higher_ when _other_, disconnected inputs are selected.</p><p>What even of switchbox is this supposed to be?</p><p>The signal is 800mV by the way so it&#39;s being trimmed in all cases. Even on the &quot;VCR&quot; switch, it loses around 50mV of signal - a bit over 6%.</p><p><a href=\"https://mastodon.murkworks.net/tags/electronics\" class=\"mention hashtag\" rel=\"tag\">#<span>electronics</span></a> <a href=\"https://mastodon.murkworks.net/tags/rf\" class=\"mention hashtag\" rel=\"tag\">#<span>rf</span></a> <a href=\"https://mastodon.murkworks.net/tags/wtf\" class=\"mention hashtag\" rel=\"tag\">#<span>wtf</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.murkworks.net/system/media_attachments/files/113/773/263/108/714/406/original/c184cd9259a12b20.jpeg", "name": "A video selector box with five inputs and two outputs, allowing any input to be mapped to either output. 2 MHz Signal is on input 3, selector box is set to input 2, oscilloscope reading 734mV out of 800mV input signal on output.", "blurhash": "UEE.U#Hq%OMc-;RjkWM|E4$%skWVMx-ot7D*", "focalPoint": [ -0.68, 0.12 ], "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.murkworks.net/system/media_attachments/files/113/773/263/110/090/809/original/1a6a6603482f5e3a.jpeg", "name": "A video selector box with five inputs and two outputs, allowing any input to be mapped to either output. 2 MHz Signal is on input 3, selector box is set to input 3, oscilloscope reading 718mV out of 800mV input signal on output.", "blurhash": "UEE_]ZHq%OH?%gRjbvM|E4$%s*WVMw-os:IU", "focalPoint": [ 0, 0 ], "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.murkworks.net/system/media_attachments/files/113/773/263/128/320/667/original/a9239ae175b004ad.jpeg", "name": "A video selector box with five inputs and two outputs, allowing any input to be mapped to either output. 2 MHz Signal is on input 3, selector box is set to input 4, oscilloscope reading 734mV out of 800mV input signal on output.", "blurhash": "UCEx%_L}-XMcyDI;JBE2E6$%aco#D%-oRkIV", "focalPoint": [ 0, 0 ], "width": 3325, "height": 2494 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.murkworks.net/tags/electronics", "name": "#electronics" }, { "type": "Hashtag", "href": "https://mastodon.murkworks.net/tags/rf", "name": "#rf" }, { "type": "Hashtag", "href": "https://mastodon.murkworks.net/tags/wtf", "name": "#wtf" } ], "replies": { "id": "https://mastodon.murkworks.net/users/moira/statuses/113773288204766251/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.murkworks.net/users/moira/statuses/113773288204766251/replies?min_id=113773313419874627&page=true", "partOf": "https://mastodon.murkworks.net/users/moira/statuses/113773288204766251/replies", "items": [ "https://mastodon.murkworks.net/users/moira/statuses/113773313419874627" ] } } }