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://mstdn.social/users/MWNautilus/statuses/114692109379018403", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-16T08:31:44Z", "url": "https://mstdn.social/@MWNautilus/114692109379018403", "attributedTo": "https://mstdn.social/users/MWNautilus", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/MWNautilus/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2025-06-16:objectId=569183901:objectType=Conversation", "content": "<p>An <a href=\"https://mstdn.social/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a>, low-cost multinuclear <a href=\"https://mstdn.social/tags/NMR\" class=\"mention hashtag\" rel=\"tag\">#<span>NMR</span></a> <a href=\"https://mstdn.social/tags/spectrometer\" class=\"mention hashtag\" rel=\"tag\">#<span>spectrometer</span></a> operating in the mT field regime:</p><p>-high spectral resolution<br />-arbitrary <a href=\"https://mstdn.social/tags/RF\" class=\"mention hashtag\" rel=\"tag\">#<span>RF</span></a> pulse programming<br />-requires <a href=\"https://mstdn.social/tags/LabVIEW\" class=\"mention hashtag\" rel=\"tag\">#<span>LabVIEW</span></a><br />-cost: k$ 20 (mainly PXI waveform generator &amp; digitizer alone)<br />-cost could be driven down by half using a home-built RF amplifier made with high-power operational amplifiers</p><p><a href=\"https://mstdn.social/tags/NOpenAccess\" class=\"mention hashtag\" rel=\"tag\">#<span>NOpenAccess</span></a> paper: <a href=\"https://doi.org/10.1016/j.jmr.2021.107076\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1016/j.jmr.2021.107</span><span class=\"invisible\">076</span></a><br /><a href=\"https://mstdn.social/tags/DIYbio\" class=\"mention hashtag\" rel=\"tag\">#<span>DIYbio</span></a> <a href=\"https://mstdn.social/tags/DIYchem\" class=\"mention hashtag\" rel=\"tag\">#<span>DIYchem</span></a> <a href=\"https://mstdn.social/tags/chemistry\" class=\"mention hashtag\" rel=\"tag\">#<span>chemistry</span></a> <a href=\"https://mstdn.social/tags/analytics\" class=\"mention hashtag\" rel=\"tag\">#<span>analytics</span></a> <a href=\"https://mstdn.social/tags/ULF\" class=\"mention hashtag\" rel=\"tag\">#<span>ULF</span></a> <a href=\"https://mstdn.social/tags/spectroscopy\" class=\"mention hashtag\" rel=\"tag\">#<span>spectroscopy</span></a></p>", "contentMap": { "de": "<p>An <a href=\"https://mstdn.social/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a>, low-cost multinuclear <a href=\"https://mstdn.social/tags/NMR\" class=\"mention hashtag\" rel=\"tag\">#<span>NMR</span></a> <a href=\"https://mstdn.social/tags/spectrometer\" class=\"mention hashtag\" rel=\"tag\">#<span>spectrometer</span></a> operating in the mT field regime:</p><p>-high spectral resolution<br />-arbitrary <a href=\"https://mstdn.social/tags/RF\" class=\"mention hashtag\" rel=\"tag\">#<span>RF</span></a> pulse programming<br />-requires <a href=\"https://mstdn.social/tags/LabVIEW\" class=\"mention hashtag\" rel=\"tag\">#<span>LabVIEW</span></a><br />-cost: k$ 20 (mainly PXI waveform generator &amp; digitizer alone)<br />-cost could be driven down by half using a home-built RF amplifier made with high-power operational amplifiers</p><p><a href=\"https://mstdn.social/tags/NOpenAccess\" class=\"mention hashtag\" rel=\"tag\">#<span>NOpenAccess</span></a> paper: <a href=\"https://doi.org/10.1016/j.jmr.2021.107076\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1016/j.jmr.2021.107</span><span class=\"invisible\">076</span></a><br /><a href=\"https://mstdn.social/tags/DIYbio\" class=\"mention hashtag\" rel=\"tag\">#<span>DIYbio</span></a> <a href=\"https://mstdn.social/tags/DIYchem\" class=\"mention hashtag\" rel=\"tag\">#<span>DIYchem</span></a> <a href=\"https://mstdn.social/tags/chemistry\" class=\"mention hashtag\" rel=\"tag\">#<span>chemistry</span></a> <a href=\"https://mstdn.social/tags/analytics\" class=\"mention hashtag\" rel=\"tag\">#<span>analytics</span></a> <a href=\"https://mstdn.social/tags/ULF\" class=\"mention hashtag\" rel=\"tag\">#<span>ULF</span></a> <a href=\"https://mstdn.social/tags/spectroscopy\" class=\"mention hashtag\" rel=\"tag\">#<span>spectroscopy</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://media.mstdn.social/media_attachments/files/114/692/088/519/213/299/original/4032b46b2e95ccb5.mp4", "name": null, "blurhash": "UOIOa{~q$lxbISxuWFafH?D$X4M{4oM{bWtQ", "width": 1280, "height": 720 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/OpenSource", "name": "#OpenSource" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/NMR", "name": "#NMR" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/spectrometer", "name": "#spectrometer" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/rf", "name": "#rf" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/LabVIEW", "name": "#LabVIEW" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/nopenaccess", "name": "#nopenaccess" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/diybio", "name": "#diybio" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/diychem", "name": "#diychem" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/chemistry", "name": "#chemistry" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/analytics", "name": "#analytics" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/ulf", "name": "#ulf" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/spectroscopy", "name": "#spectroscopy" } ], "replies": { "id": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403/likes", "type": "Collection", "totalItems": 6 }, "shares": { "id": "https://mstdn.social/users/MWNautilus/statuses/114692109379018403/shares", "type": "Collection", "totalItems": 1 } }