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/114500311024363140", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-13T11:34:53Z", "url": "https://scipost.social/@physics/114500311024363140", "attributedTo": "https://scipost.social/users/physics", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://scipost.social/users/physics/followers", "https://mstdn.ca/users/mcgillu" ], "sensitive": false, "atomUri": "https://scipost.social/users/physics/statuses/114500311024363140", "inReplyToAtomUri": null, "conversation": "tag:scipost.social,2025-05-13:objectId=712530: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></p><p>The complex Liouville string: The matrix integral</p><p>Scott Collier, Lorenz Eberhardt, Beatrix Mühlmann, Victor A. Rodriguez<br />SciPost Phys. 18, 154 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.154\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">54</span></a></p><p><a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/IoP\" class=\"mention hashtag\" rel=\"tag\">#<span>IoP</span></a> <a href=\"https://scipost.social/tags/IAS\" class=\"mention hashtag\" rel=\"tag\">#<span>IAS</span></a> <span class=\"h-card\"><a href=\"https://mstdn.ca/@mcgillu\" class=\"u-url mention\">@<span>mcgillu</span></a></span> <a href=\"https://scipost.social/tags/Princeton\" class=\"mention hashtag\" rel=\"tag\">#<span>Princeton</span></a> <a href=\"https://scipost.social/tags/UCSB\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSB</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></p><p>The complex Liouville string: The matrix integral</p><p>Scott Collier, Lorenz Eberhardt, Beatrix Mühlmann, Victor A. Rodriguez<br />SciPost Phys. 18, 154 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.154\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">54</span></a></p><p><a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/IoP\" class=\"mention hashtag\" rel=\"tag\">#<span>IoP</span></a> <a href=\"https://scipost.social/tags/IAS\" class=\"mention hashtag\" rel=\"tag\">#<span>IAS</span></a> <span class=\"h-card\"><a href=\"https://mstdn.ca/@mcgillu\" class=\"u-url mention\">@<span>mcgillu</span></a></span> <a href=\"https://scipost.social/tags/Princeton\" class=\"mention hashtag\" rel=\"tag\">#<span>Princeton</span></a> <a href=\"https://scipost.social/tags/UCSB\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSB</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://scipost.social/system/media_attachments/files/114/500/310/871/136/233/original/d2706601790dc663.png", "name": null, "blurhash": "U8R:HNN1-#D.9QIYj;Rn~lfRoht2^]%FM{t5", "width": 677, "height": 211 } ], "tag": [ { "type": "Mention", "href": "https://mstdn.ca/users/mcgillu", "name": "@mcgillu@mstdn.ca" }, { "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/MIT", "name": "#MIT" }, { "type": "Hashtag", "href": "https://scipost.social/tags/IoP", "name": "#IoP" }, { "type": "Hashtag", "href": "https://scipost.social/tags/IAS", "name": "#IAS" }, { "type": "Hashtag", "href": "https://scipost.social/tags/princeton", "name": "#princeton" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UCSB", "name": "#UCSB" } ], "replies": { "id": "https://scipost.social/users/physics/statuses/114500311024363140/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://scipost.social/users/physics/statuses/114500311024363140/replies?only_other_accounts=true&page=true", "partOf": "https://scipost.social/users/physics/statuses/114500311024363140/replies", "items": [] } } }