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", "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-26T15:42:40Z", "url": "https://mathstodon.xyz/@quantumjournal/114070949778188514", "attributedTo": "https://mathstodon.xyz/users/quantumjournal", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/quantumjournal/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-02-26:objectId=140464026:objectType=Conversation", "content": "<p>New <a href=\"https://mathstodon.xyz/tags/Paper\" class=\"mention hashtag\" rel=\"tag\">#<span>Paper</span></a> published in Quantum: Heisenberg scaling based on population coding</p><p><a href=\"https://quantum-journal.org/papers/q-2025-02-26-1648/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">quantum-journal.org/papers/q-2</span><span class=\"invisible\">025-02-26-1648/</span></a></p><p><a href=\"https://mathstodon.xyz/tags/OpenScience\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenScience</span></a> <a href=\"https://mathstodon.xyz/tags/Quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>Quantum</span></a> <a href=\"https://mathstodon.xyz/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a></p>", "contentMap": { "en": "<p>New <a href=\"https://mathstodon.xyz/tags/Paper\" class=\"mention hashtag\" rel=\"tag\">#<span>Paper</span></a> published in Quantum: Heisenberg scaling based on population coding</p><p><a href=\"https://quantum-journal.org/papers/q-2025-02-26-1648/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">quantum-journal.org/papers/q-2</span><span class=\"invisible\">025-02-26-1648/</span></a></p><p><a href=\"https://mathstodon.xyz/tags/OpenScience\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenScience</span></a> <a href=\"https://mathstodon.xyz/tags/Quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>Quantum</span></a> <a href=\"https://mathstodon.xyz/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/research", "name": "#research" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/quantum", "name": "#quantum" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/openscience", "name": "#openscience" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/paper", "name": "#paper" } ], "replies": { "id": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mathstodon.xyz/users/quantumjournal/statuses/114070949778188514/shares", "type": "Collection", "totalItems": 2 } }