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" } ], "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720/replies", "type": "Collection", "first": { "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720/replies?page=true", "type": "CollectionPage", "next": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720/replies?only_other_accounts=true&page=true", "partOf": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720/replies", "items": [ { "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385", "type": "Note", "summary": null, "inReplyTo": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720", "published": "2025-02-07T06:15:03Z", "url": "https://grapheneos.social/@GrapheneOS/113961133873936385", "attributedTo": "https://grapheneos.social/users/GrapheneOS", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://grapheneos.social/users/GrapheneOS/followers" ], "sensitive": false, "atomUri": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385", "inReplyToAtomUri": "https://grapheneos.social/users/GrapheneOS/statuses/113961086446543720", "conversation": "tag:grapheneos.social,2025-02-07:objectId=546598:objectType=Conversation", "content": "<p>We made massive improvements in GrapheneOS to defend against these attacks since January 2024.</p><p>For ARMv9 devices, we greatly improved our hardware memory tagging implementation in hardened_malloc, deployed it for the Linux kernel allocators and greatly expanded the use of PAC and BTI across the OS.</p>", "contentMap": { "en": "<p>We made massive improvements in GrapheneOS to defend against these attacks since January 2024.</p><p>For ARMv9 devices, we greatly improved our hardware memory tagging implementation in hardened_malloc, deployed it for the Linux kernel allocators and greatly expanded the use of PAC and BTI across the OS.</p>" }, "attachment": [], "tag": [], "replies": { "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385/replies?min_id=113961153841671864&page=true", "partOf": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385/replies", "items": [ "https://grapheneos.social/users/GrapheneOS/statuses/113961153841671864" ] } }, "likes": { "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385/likes", "type": "Collection", "totalItems": 26 }, "shares": { "id": "https://grapheneos.social/users/GrapheneOS/statuses/113961133873936385/shares", "type": "Collection", "totalItems": 6 } } ] } }