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",
"blurhash": "toot:blurhash",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://scipost.social/users/physics/statuses/114461248849853351",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-06T14:00:52Z",
"url": "https://scipost.social/@physics/114461248849853351",
"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/114461248849853351",
"inReplyToAtomUri": null,
"conversation": "tag:scipost.social,2025-05-06:objectId=708881: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>MACK: Mismodeling addressed with contrastive knowledge</p><p>Liam Rankin Sheldon, Dylan Sheldon Rankin, Philip Harris<br />SciPost Phys. 18, 150 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.150\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">50</span></a></p><p><a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/UPenn\" class=\"mention hashtag\" rel=\"tag\">#<span>UPenn</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>MACK: Mismodeling addressed with contrastive knowledge</p><p>Liam Rankin Sheldon, Dylan Sheldon Rankin, Philip Harris<br />SciPost Phys. 18, 150 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.150\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">50</span></a></p><p><a href=\"https://scipost.social/tags/MIT\" class=\"mention hashtag\" rel=\"tag\">#<span>MIT</span></a> <a href=\"https://scipost.social/tags/UPenn\" class=\"mention hashtag\" rel=\"tag\">#<span>UPenn</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://scipost.social/system/media_attachments/files/114/461/248/699/905/744/original/04bc655c2df05069.png",
"name": null,
"blurhash": "UHRfUpRjDixa?wad%MofyF%hS2WA8^IURjx]",
"width": 638,
"height": 327
}
],
"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/MIT",
"name": "#MIT"
},
{
"type": "Hashtag",
"href": "https://scipost.social/tags/UPenn",
"name": "#UPenn"
}
],
"replies": {
"id": "https://scipost.social/users/physics/statuses/114461248849853351/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://scipost.social/users/physics/statuses/114461248849853351/replies?only_other_accounts=true&page=true",
"partOf": "https://scipost.social/users/physics/statuses/114461248849853351/replies",
"items": []
}
}
}