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://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-22T09:47:50Z",
"url": "https://helmholtz.social/@FAIR_GSI_en/114550850850267669",
"attributedTo": "https://helmholtz.social/users/FAIR_GSI_en",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://helmholtz.social/users/FAIR_GSI_en/followers"
],
"sensitive": false,
"atomUri": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669",
"inReplyToAtomUri": null,
"conversation": "tag:helmholtz.social,2025-05-22:objectId=7894980:objectType=Conversation",
"content": "<p>🧲FAIR reached a new major milestone! The first superconducting multiplet magnet has been moved to the FAIR site. It is a component of the Super Fragment Separator and is a combination of different magnet types.</p><p>Follow the particles on their race through the accelerator in this video 👉 <a href=\"https://www.youtube.com/watch?v=P2ttoeZZfWc\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=P2ttoeZZfW</span><span class=\"invisible\">c</span></a></p><p><a href=\"https://helmholtz.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://helmholtz.social/tags/particleaccelerator\" class=\"mention hashtag\" rel=\"tag\">#<span>particleaccelerator</span></a> <a href=\"https://helmholtz.social/tags/construction\" class=\"mention hashtag\" rel=\"tag\">#<span>construction</span></a> <a href=\"https://helmholtz.social/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://helmholtz.social/tags/research\" class=\"mention hashtag\" rel=\"tag\">#<span>research</span></a> <a href=\"https://helmholtz.social/tags/SuperFRS\" class=\"mention hashtag\" rel=\"tag\">#<span>SuperFRS</span></a><br />©H. Simon, A. Herlert, GSI/FAIR</p>",
"contentMap": {
"en": "<p>🧲FAIR reached a new major milestone! The first superconducting multiplet magnet has been moved to the FAIR site. It is a component of the Super Fragment Separator and is a combination of different magnet types.</p><p>Follow the particles on their race through the accelerator in this video 👉 <a href=\"https://www.youtube.com/watch?v=P2ttoeZZfWc\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=P2ttoeZZfW</span><span class=\"invisible\">c</span></a></p><p><a href=\"https://helmholtz.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://helmholtz.social/tags/particleaccelerator\" class=\"mention hashtag\" rel=\"tag\">#<span>particleaccelerator</span></a> <a href=\"https://helmholtz.social/tags/construction\" class=\"mention hashtag\" rel=\"tag\">#<span>construction</span></a> <a href=\"https://helmholtz.social/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://helmholtz.social/tags/research\" class=\"mention hashtag\" rel=\"tag\">#<span>research</span></a> <a href=\"https://helmholtz.social/tags/SuperFRS\" class=\"mention hashtag\" rel=\"tag\">#<span>SuperFRS</span></a><br />©H. Simon, A. Herlert, GSI/FAIR</p>"
},
"updated": "2025-05-22T10:01:39Z",
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://helmholtz.social/system/media_attachments/files/114/550/810/953/436/579/original/4e397df3c029bae1.jpg",
"name": null,
"blurhash": "UGLqIT?G~Xsl-p9Fx]t7^l-;9ZNG4.WE%2aw",
"width": 2494,
"height": 3325
},
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://helmholtz.social/system/media_attachments/files/114/550/810/928/562/220/original/9ec3e1b9f00857da.jpg",
"name": null,
"blurhash": "UUI53pxanht60LR-WWWB0LayS5bIt7jEt6jZ",
"width": 1080,
"height": 1350
},
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://helmholtz.social/system/media_attachments/files/114/550/810/870/985/591/original/5d17cab53286cf0d.jpg",
"name": null,
"blurhash": "UEGu%XNK~q$%%gR,Mx%1bHxuE0IoZ$%2tkbF",
"width": 2016,
"height": 750
},
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://helmholtz.social/system/media_attachments/files/114/550/905/136/654/996/original/f096c99a292eab06.jpg",
"name": null,
"blurhash": "UqPjS[j]RkRj~Wofoft7WXaza#ofM{WBoeRj",
"width": 1080,
"height": 1350
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/science",
"name": "#science"
},
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/particleaccelerator",
"name": "#particleaccelerator"
},
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/construction",
"name": "#construction"
},
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/physics",
"name": "#physics"
},
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/research",
"name": "#research"
},
{
"type": "Hashtag",
"href": "https://helmholtz.social/tags/superfrs",
"name": "#superfrs"
}
],
"replies": {
"id": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669/replies?only_other_accounts=true&page=true",
"partOf": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669/replies",
"items": []
}
},
"likes": {
"id": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://helmholtz.social/users/FAIR_GSI_en/statuses/114550850850267669/shares",
"type": "Collection",
"totalItems": 3
}
}