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.
{
"@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://mastodon.online/users/ezhes_/statuses/110693219902942418",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2023-07-11T03:01:33Z",
"url": "https://mastodon.online/@ezhes_/110693219902942418",
"attributedTo": "https://mastodon.online/users/ezhes_",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.online/users/ezhes_/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.online/users/ezhes_/statuses/110693219902942418",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.online,2023-07-11:objectId=190068566:objectType=Conversation",
"content": "<p>more fun research/madness from VUSec: using FP exceptions to do branchless temporal and spatial memory safety checks using red zones with a special crafted value which causes an underflow exception. Similar detection quality to ASan (so not usable as a mitigation) but about twice as fast. Authors specifically call out fuzzing as a great application. <a href=\"https://download.vusec.net/papers/floatzone_sec23.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">download.vusec.net/papers/floa</span><span class=\"invisible\">tzone_sec23.pdf</span></a> /1</p>",
"contentMap": {
"en": "<p>more fun research/madness from VUSec: using FP exceptions to do branchless temporal and spatial memory safety checks using red zones with a special crafted value which causes an underflow exception. Similar detection quality to ASan (so not usable as a mitigation) but about twice as fast. Authors specifically call out fuzzing as a great application. <a href=\"https://download.vusec.net/papers/floatzone_sec23.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">download.vusec.net/papers/floa</span><span class=\"invisible\">tzone_sec23.pdf</span></a> /1</p>"
},
"attachment": [],
"tag": [],
"replies": {
"id": "https://mastodon.online/users/ezhes_/statuses/110693219902942418/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.online/users/ezhes_/statuses/110693219902942418/replies?min_id=110693242337542411&page=true",
"partOf": "https://mastodon.online/users/ezhes_/statuses/110693219902942418/replies",
"items": [
"https://mastodon.online/users/ezhes_/statuses/110693242337542411"
]
}
},
"likes": {
"id": "https://mastodon.online/users/ezhes_/statuses/110693219902942418/likes",
"type": "Collection",
"totalItems": 16
},
"shares": {
"id": "https://mastodon.online/users/ezhes_/statuses/110693219902942418/shares",
"type": "Collection",
"totalItems": 14
}
}