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/114533345014122989", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-19T07:35:52Z", "url": "https://scipost.social/@physics/114533345014122989", "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/114533345014122989", "inReplyToAtomUri": null, "conversation": "tag:scipost.social,2025-05-19:objectId=716184: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>Snowmass 2021 cross frontier report: Dark matter complementarity</p><p>Antonio Boveia et al.<br />SciPost Phys. Comm. Rep. 7 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCommRep.7\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCommRep</span><span class=\"invisible\">.7</span></a></p><p><a href=\"https://scipost.social/tags/OSU\" class=\"mention hashtag\" rel=\"tag\">#<span>OSU</span></a> <a href=\"https://scipost.social/tags/LundUniversity\" class=\"mention hashtag\" rel=\"tag\">#<span>LundUniversity</span></a> <a href=\"https://scipost.social/tags/CU\" class=\"mention hashtag\" rel=\"tag\">#<span>CU</span></a> <a href=\"https://scipost.social/tags/Fermilab\" class=\"mention hashtag\" rel=\"tag\">#<span>Fermilab</span></a> <a href=\"https://scipost.social/tags/UC\" class=\"mention hashtag\" rel=\"tag\">#<span>UC</span></a> <a href=\"https://scipost.social/tags/UK\" class=\"mention hashtag\" rel=\"tag\">#<span>UK</span></a> <a href=\"https://scipost.social/tags/UCSC\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSC</span></a> <a href=\"https://scipost.social/tags/LANL\" class=\"mention hashtag\" rel=\"tag\">#<span>LANL</span></a> <a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/UCSB\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSB</span></a> <a href=\"https://scipost.social/tags/SLAC\" class=\"mention hashtag\" rel=\"tag\">#<span>SLAC</span></a> <a href=\"https://scipost.social/tags/UNH\" class=\"mention hashtag\" rel=\"tag\">#<span>UNH</span></a> <a href=\"https://scipost.social/tags/WashingtonUniversity\" class=\"mention hashtag\" rel=\"tag\">#<span>WashingtonUniversity</span></a> <a href=\"https://scipost.social/tags/DESY\" class=\"mention hashtag\" rel=\"tag\">#<span>DESY</span></a> <a href=\"https://scipost.social/tags/UIUC\" class=\"mention hashtag\" rel=\"tag\">#<span>UIUC</span></a> <a href=\"https://scipost.social/tags/GSFC\" class=\"mention hashtag\" rel=\"tag\">#<span>GSFC</span></a> <a href=\"https://scipost.social/tags/UCR\" class=\"mention hashtag\" rel=\"tag\">#<span>UCR</span></a> <a href=\"https://scipost.social/tags/UTA\" class=\"mention hashtag\" rel=\"tag\">#<span>UTA</span></a> <a href=\"https://scipost.social/tags/UO\" class=\"mention hashtag\" rel=\"tag\">#<span>UO</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>Snowmass 2021 cross frontier report: Dark matter complementarity</p><p>Antonio Boveia et al.<br />SciPost Phys. Comm. Rep. 7 (2025)<br /><a href=\"https://scipost.org/SciPostPhysCommRep.7\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhysCommRep</span><span class=\"invisible\">.7</span></a></p><p><a href=\"https://scipost.social/tags/OSU\" class=\"mention hashtag\" rel=\"tag\">#<span>OSU</span></a> <a href=\"https://scipost.social/tags/LundUniversity\" class=\"mention hashtag\" rel=\"tag\">#<span>LundUniversity</span></a> <a href=\"https://scipost.social/tags/CU\" class=\"mention hashtag\" rel=\"tag\">#<span>CU</span></a> <a href=\"https://scipost.social/tags/Fermilab\" class=\"mention hashtag\" rel=\"tag\">#<span>Fermilab</span></a> <a href=\"https://scipost.social/tags/UC\" class=\"mention hashtag\" rel=\"tag\">#<span>UC</span></a> <a href=\"https://scipost.social/tags/UK\" class=\"mention hashtag\" rel=\"tag\">#<span>UK</span></a> <a href=\"https://scipost.social/tags/UCSC\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSC</span></a> <a href=\"https://scipost.social/tags/LANL\" class=\"mention hashtag\" rel=\"tag\">#<span>LANL</span></a> <a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/UCSB\" class=\"mention hashtag\" rel=\"tag\">#<span>UCSB</span></a> <a href=\"https://scipost.social/tags/SLAC\" class=\"mention hashtag\" rel=\"tag\">#<span>SLAC</span></a> <a href=\"https://scipost.social/tags/UNH\" class=\"mention hashtag\" rel=\"tag\">#<span>UNH</span></a> <a href=\"https://scipost.social/tags/WashingtonUniversity\" class=\"mention hashtag\" rel=\"tag\">#<span>WashingtonUniversity</span></a> <a href=\"https://scipost.social/tags/DESY\" class=\"mention hashtag\" rel=\"tag\">#<span>DESY</span></a> <a href=\"https://scipost.social/tags/UIUC\" class=\"mention hashtag\" rel=\"tag\">#<span>UIUC</span></a> <a href=\"https://scipost.social/tags/GSFC\" class=\"mention hashtag\" rel=\"tag\">#<span>GSFC</span></a> <a href=\"https://scipost.social/tags/UCR\" class=\"mention hashtag\" rel=\"tag\">#<span>UCR</span></a> <a href=\"https://scipost.social/tags/UTA\" class=\"mention hashtag\" rel=\"tag\">#<span>UTA</span></a> <a href=\"https://scipost.social/tags/UO\" class=\"mention hashtag\" rel=\"tag\">#<span>UO</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://scipost.social/system/media_attachments/files/114/533/342/563/568/594/original/faad77c99c18c389.png", "name": null, "blurhash": "UkP%6I,m%gOu4T$fxvOFxvo~WBaJ?bNwRPr=", "width": 736, "height": 519 } ], "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/osu", "name": "#osu" }, { "type": "Hashtag", "href": "https://scipost.social/tags/LundUniversity", "name": "#LundUniversity" }, { "type": "Hashtag", "href": "https://scipost.social/tags/cu", "name": "#cu" }, { "type": "Hashtag", "href": "https://scipost.social/tags/Fermilab", "name": "#Fermilab" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UC", "name": "#UC" }, { "type": "Hashtag", "href": "https://scipost.social/tags/uk", "name": "#uk" }, { "type": "Hashtag", "href": "https://scipost.social/tags/ucsc", "name": "#ucsc" }, { "type": "Hashtag", "href": "https://scipost.social/tags/LANL", "name": "#LANL" }, { "type": "Hashtag", "href": "https://scipost.social/tags/MIT", "name": "#MIT" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UCSB", "name": "#UCSB" }, { "type": "Hashtag", "href": "https://scipost.social/tags/SLAC", "name": "#SLAC" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UNH", "name": "#UNH" }, { "type": "Hashtag", "href": "https://scipost.social/tags/WashingtonUniversity", "name": "#WashingtonUniversity" }, { "type": "Hashtag", "href": "https://scipost.social/tags/desy", "name": "#desy" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UIUC", "name": "#UIUC" }, { "type": "Hashtag", "href": "https://scipost.social/tags/GSFC", "name": "#GSFC" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UCR", "name": "#UCR" }, { "type": "Hashtag", "href": "https://scipost.social/tags/UTA", "name": "#UTA" }, { "type": "Hashtag", "href": "https://scipost.social/tags/uo", "name": "#uo" } ], "replies": { "id": "https://scipost.social/users/physics/statuses/114533345014122989/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://scipost.social/users/physics/statuses/114533345014122989/replies?only_other_accounts=true&page=true", "partOf": "https://scipost.social/users/physics/statuses/114533345014122989/replies", "items": [] } } }