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/RIOjournal/statuses/114614499749571503", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-02T15:34:35Z", "url": "https://mstdn.social/@RIOjournal/114614499749571503", "attributedTo": "https://mstdn.social/users/RIOjournal", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/RIOjournal/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2025-06-02:objectId=562509333:objectType=Conversation", "content": "<p>🧠 <a href=\"https://mstdn.social/tags/Brain\" class=\"mention hashtag\" rel=\"tag\">#<span>Brain</span></a> age proposed as a <a href=\"https://mstdn.social/tags/biomarker\" class=\"mention hashtag\" rel=\"tag\">#<span>biomarker</span></a> to improve diagnosis and treatment for patients suffering from <a href=\"https://mstdn.social/tags/neurodegenerative\" class=\"mention hashtag\" rel=\"tag\">#<span>neurodegenerative</span></a> diseases using <a href=\"https://mstdn.social/tags/DeepLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>DeepLearning</span></a> &amp; <a href=\"https://mstdn.social/tags/BigData\" class=\"mention hashtag\" rel=\"tag\">#<span>BigData</span></a>.</p><p>📃 Grant Proposal: <a href=\"https://doi.org/10.3897/rio.11.e156738\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">doi.org/10.3897/rio.11.e156738</span><span class=\"invisible\"></span></a> </p><p><a href=\"https://mstdn.social/tags/neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroscience</span></a> <a href=\"https://mstdn.social/tags/neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroimaging</span></a></p>", "contentMap": { "en": "<p>🧠 <a href=\"https://mstdn.social/tags/Brain\" class=\"mention hashtag\" rel=\"tag\">#<span>Brain</span></a> age proposed as a <a href=\"https://mstdn.social/tags/biomarker\" class=\"mention hashtag\" rel=\"tag\">#<span>biomarker</span></a> to improve diagnosis and treatment for patients suffering from <a href=\"https://mstdn.social/tags/neurodegenerative\" class=\"mention hashtag\" rel=\"tag\">#<span>neurodegenerative</span></a> diseases using <a href=\"https://mstdn.social/tags/DeepLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>DeepLearning</span></a> &amp; <a href=\"https://mstdn.social/tags/BigData\" class=\"mention hashtag\" rel=\"tag\">#<span>BigData</span></a>.</p><p>📃 Grant Proposal: <a href=\"https://doi.org/10.3897/rio.11.e156738\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">doi.org/10.3897/rio.11.e156738</span><span class=\"invisible\"></span></a> </p><p><a href=\"https://mstdn.social/tags/neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroscience</span></a> <a href=\"https://mstdn.social/tags/neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroimaging</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mstdn.social/media_attachments/files/114/614/499/635/437/316/original/45d01930ec99c5ca.png", "name": null, "blurhash": "UYQJyJxuWBjZNfRjofazWBofWCju0gj[aykC", "width": 720, "height": 540 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/brain", "name": "#brain" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/biomarker", "name": "#biomarker" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/Neurodegenerative", "name": "#Neurodegenerative" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/deeplearning", "name": "#deeplearning" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/bigdata", "name": "#bigdata" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/NeuroScience", "name": "#NeuroScience" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/neuroimaging", "name": "#neuroimaging" } ], "replies": { "id": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mstdn.social/users/RIOjournal/statuses/114614499749571503/shares", "type": "Collection", "totalItems": 2 } }