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",
"Hashtag": "as:Hashtag"
}
],
"id": "https://spacey.space/users/spaceflight/statuses/114358776615333057",
"type": "Note",
"summary": null,
"inReplyTo": "https://spacey.space/users/spaceflight/statuses/114358711530691146",
"published": "2025-04-18T11:40:49Z",
"url": "https://spacey.space/@spaceflight/114358776615333057",
"attributedTo": "https://spacey.space/users/spaceflight",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://spacey.space/users/spaceflight/followers"
],
"sensitive": false,
"atomUri": "https://spacey.space/users/spaceflight/statuses/114358776615333057",
"inReplyToAtomUri": "https://spacey.space/users/spaceflight/statuses/114358711530691146",
"conversation": "tag:spacey.space,2024-06-12:objectId=15403694:objectType=Conversation",
"content": "<p>By Giusy Falcone Dec 2021 <a href=\"https://gfalcon2.web.illinois.edu\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">gfalcon2.web.illinois.edu</span><span class=\"invisible\"></span></a></p><p>With a 6 m/s increase in the Delta-V budget, the deep reinforcement learning approach shortened the <a href=\"https://spacey.space/tags/aerobraking\" class=\"mention hashtag\" rel=\"tag\">#<span>aerobraking</span></a> time by 68.3% 📉. The DRL algorithm does not encounter any thermal violations over 40 episodes compared to the 2.8 average thermal violations experienced by the state-of-the-art heuristic <a href=\"https://arc.aiaa.org/doi/10.2514/6.2022-2497\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">arc.aiaa.org/doi/10.2514/6.202</span><span class=\"invisible\">2-2497</span></a></p>",
"contentMap": {
"en": "<p>By Giusy Falcone Dec 2021 <a href=\"https://gfalcon2.web.illinois.edu\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">gfalcon2.web.illinois.edu</span><span class=\"invisible\"></span></a></p><p>With a 6 m/s increase in the Delta-V budget, the deep reinforcement learning approach shortened the <a href=\"https://spacey.space/tags/aerobraking\" class=\"mention hashtag\" rel=\"tag\">#<span>aerobraking</span></a> time by 68.3% 📉. The DRL algorithm does not encounter any thermal violations over 40 episodes compared to the 2.8 average thermal violations experienced by the state-of-the-art heuristic <a href=\"https://arc.aiaa.org/doi/10.2514/6.2022-2497\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">arc.aiaa.org/doi/10.2514/6.202</span><span class=\"invisible\">2-2497</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://spacey.space/tags/aerobraking",
"name": "#aerobraking"
}
],
"replies": {
"id": "https://spacey.space/users/spaceflight/statuses/114358776615333057/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://spacey.space/users/spaceflight/statuses/114358776615333057/replies?min_id=114418047686754751&page=true",
"partOf": "https://spacey.space/users/spaceflight/statuses/114358776615333057/replies",
"items": [
"https://spacey.space/users/spaceflight/statuses/114365519115231356",
"https://spacey.space/users/spaceflight/statuses/114372215576810263",
"https://spacey.space/users/spaceflight/statuses/114418047686754751"
]
}
},
"likes": {
"id": "https://spacey.space/users/spaceflight/statuses/114358776615333057/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://spacey.space/users/spaceflight/statuses/114358776615333057/shares",
"type": "Collection",
"totalItems": 4
}
}