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://scipost.social/users/physics/statuses/114109829616309221", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-05T12:30:20Z", "url": "https://scipost.social/@physics/114109829616309221", "attributedTo": "https://scipost.social/users/physics", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://scipost.social/users/physics/followers" ], "sensitive": false, "atomUri": "https://scipost.social/users/physics/statuses/114109829616309221", "inReplyToAtomUri": null, "conversation": "tag:scipost.social,2025-03-05:objectId=672529:objectType=Conversation", "content": "<p>New <a href=\"https://scipost.social/tags/openaccess\" class=\"mention hashtag\" rel=\"tag\">#<span>openaccess</span></a> publication <a href=\"https://scipost.social/tags/SciPost\" class=\"mention hashtag\" rel=\"tag\">#<span>SciPost</span></a> <a href=\"https://scipost.social/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> Core</p><p>Bayesian RG flow in neural network field theories</p><p>Jessica N. Howard, Marc S. Klinger, Anindita Maiti, Alexander G. Stapleton<br />SciPost Phys. Core 8, 027 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCore.8.1.027\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCore.8.</span><span class=\"invisible\">1.027</span></a></p><p><a href=\"https://scipost.social/tags/KITP\" class=\"mention hashtag\" rel=\"tag\">#<span>KITP</span></a> <a href=\"https://scipost.social/tags/UIUC\" class=\"mention hashtag\" rel=\"tag\">#<span>UIUC</span></a> <a href=\"https://scipost.social/tags/PI\" class=\"mention hashtag\" rel=\"tag\">#<span>PI</span></a> <a href=\"https://scipost.social/tags/QMUL\" class=\"mention hashtag\" rel=\"tag\">#<span>QMUL</span></a></p>", "contentMap": { "en": "<p>New <a href=\"https://scipost.social/tags/openaccess\" class=\"mention hashtag\" rel=\"tag\">#<span>openaccess</span></a> publication <a href=\"https://scipost.social/tags/SciPost\" class=\"mention hashtag\" rel=\"tag\">#<span>SciPost</span></a> <a href=\"https://scipost.social/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> Core</p><p>Bayesian RG flow in neural network field theories</p><p>Jessica N. Howard, Marc S. Klinger, Anindita Maiti, Alexander G. Stapleton<br />SciPost Phys. Core 8, 027 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCore.8.1.027\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCore.8.</span><span class=\"invisible\">1.027</span></a></p><p><a href=\"https://scipost.social/tags/KITP\" class=\"mention hashtag\" rel=\"tag\">#<span>KITP</span></a> <a href=\"https://scipost.social/tags/UIUC\" class=\"mention hashtag\" rel=\"tag\">#<span>UIUC</span></a> <a href=\"https://scipost.social/tags/PI\" class=\"mention hashtag\" rel=\"tag\">#<span>PI</span></a> <a href=\"https://scipost.social/tags/QMUL\" class=\"mention hashtag\" rel=\"tag\">#<span>QMUL</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://scipost.social/system/media_attachments/files/114/109/829/491/075/206/original/7d7ff39fc2d67c60.png", "name": null, "blurhash": "UASY]m%K~iDo?WWF9J%GM{t7t7a#RlofowWC", "width": 573, "height": 427 } ], "tag": [ { "type": "Hashtag", "href": "https://scipost.social/tags/openaccess", "name": "#openaccess" }, { "type": "Hashtag", "href": "https://scipost.social/tags/SciPost", "name": "#SciPost" }, { "type": "Hashtag", "href": "https://scipost.social/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://scipost.social/tags/KITP", "name": "#KITP" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UIUC", "name": "#UIUC" }, { "type": "Hashtag", "href": "https://scipost.social/tags/pi", "name": "#pi" }, { "type": "Hashtag", "href": "https://scipost.social/tags/QMUL", "name": "#QMUL" } ], "replies": { "id": "https://scipost.social/users/physics/statuses/114109829616309221/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://scipost.social/users/physics/statuses/114109829616309221/replies?only_other_accounts=true&page=true", "partOf": "https://scipost.social/users/physics/statuses/114109829616309221/replies", "items": [] } } }