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/114579923960665710",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-27T13:01:30Z",
"url": "https://scipost.social/@physics/114579923960665710",
"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/114579923960665710",
"inReplyToAtomUri": null,
"conversation": "tag:scipost.social,2025-05-27:objectId=720913: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>Knowledge-dependent optimal Gaussian strategies for phase estimation</p><p>Ricard Ravell Rodríguez, Simon Morelli<br />SciPost Phys. 18, 167 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.167\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">67</span></a></p><p><a href=\"https://scipost.social/tags/IFISC\" class=\"mention hashtag\" rel=\"tag\">#<span>IFISC</span></a> <a href=\"https://scipost.social/tags/ATI\" class=\"mention hashtag\" rel=\"tag\">#<span>ATI</span></a><br /><a href=\"https://scipost.social/tags/NextGenerationEU\" class=\"mention hashtag\" rel=\"tag\">#<span>NextGenerationEU</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>Knowledge-dependent optimal Gaussian strategies for phase estimation</p><p>Ricard Ravell Rodríguez, Simon Morelli<br />SciPost Phys. 18, 167 (2025)<br /><a href=\"https://scipost.org/SciPostPhys.18.5.167\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">scipost.org/SciPostPhys.18.5.1</span><span class=\"invisible\">67</span></a></p><p><a href=\"https://scipost.social/tags/IFISC\" class=\"mention hashtag\" rel=\"tag\">#<span>IFISC</span></a> <a href=\"https://scipost.social/tags/ATI\" class=\"mention hashtag\" rel=\"tag\">#<span>ATI</span></a><br /><a href=\"https://scipost.social/tags/NextGenerationEU\" class=\"mention hashtag\" rel=\"tag\">#<span>NextGenerationEU</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://scipost.social/system/media_attachments/files/114/579/923/832/667/019/original/34b08c1b9263c69e.png",
"name": null,
"blurhash": "U2S?DVoL_NWB^+tRX9ROxv%gt6IAxuoIMxa$",
"width": 651,
"height": 405
}
],
"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/IFISC",
"name": "#IFISC"
},
{
"type": "Hashtag",
"href": "https://scipost.social/tags/ATI",
"name": "#ATI"
},
{
"type": "Hashtag",
"href": "https://scipost.social/tags/NextGenerationEU",
"name": "#NextGenerationEU"
}
],
"replies": {
"id": "https://scipost.social/users/physics/statuses/114579923960665710/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://scipost.social/users/physics/statuses/114579923960665710/replies?only_other_accounts=true&page=true",
"partOf": "https://scipost.social/users/physics/statuses/114579923960665710/replies",
"items": []
}
}
}