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://sciences.social/users/cmboulanger/statuses/114663935935204757/replies",
"type": "Collection",
"first": {
"id": "https://sciences.social/users/cmboulanger/statuses/114663935935204757/replies?page=true",
"type": "CollectionPage",
"next": "https://sciences.social/users/cmboulanger/statuses/114663935935204757/replies?only_other_accounts=true&page=true",
"partOf": "https://sciences.social/users/cmboulanger/statuses/114663935935204757/replies",
"items": [
{
"id": "https://sciences.social/users/cmboulanger/statuses/114663954519143416",
"type": "Note",
"summary": null,
"inReplyTo": "https://sciences.social/users/cmboulanger/statuses/114663935935204757",
"published": "2025-06-11T09:11:35Z",
"url": "https://sciences.social/@cmboulanger/114663954519143416",
"attributedTo": "https://sciences.social/users/cmboulanger",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://sciences.social/users/cmboulanger/followers"
],
"sensitive": false,
"atomUri": "https://sciences.social/users/cmboulanger/statuses/114663954519143416",
"inReplyToAtomUri": "https://sciences.social/users/cmboulanger/statuses/114663935935204757",
"conversation": "tag:sciences.social,2025-06-11:objectId=75617592:objectType=Conversation",
"content": "<p>Slide Summary: <a href=\"https://pad.gwdg.de/s/LjbjSAMyj\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">pad.gwdg.de/s/LjbjSAMyj</span><span class=\"invisible\"></span></a></p>",
"contentMap": {
"de": "<p>Slide Summary: <a href=\"https://pad.gwdg.de/s/LjbjSAMyj\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">pad.gwdg.de/s/LjbjSAMyj</span><span class=\"invisible\"></span></a></p>"
},
"attachment": [],
"tag": [],
"replies": {
"id": "https://sciences.social/users/cmboulanger/statuses/114663954519143416/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://sciences.social/users/cmboulanger/statuses/114663954519143416/replies?only_other_accounts=true&page=true",
"partOf": "https://sciences.social/users/cmboulanger/statuses/114663954519143416/replies",
"items": []
}
},
"likes": {
"id": "https://sciences.social/users/cmboulanger/statuses/114663954519143416/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://sciences.social/users/cmboulanger/statuses/114663954519143416/shares",
"type": "Collection",
"totalItems": 0
}
},
{
"id": "https://sciences.social/users/cmboulanger/statuses/114664040927851045",
"type": "Note",
"summary": null,
"inReplyTo": "https://sciences.social/users/cmboulanger/statuses/114663935935204757",
"published": "2025-06-11T09:33:33Z",
"url": "https://sciences.social/@cmboulanger/114664040927851045",
"attributedTo": "https://sciences.social/users/cmboulanger",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://sciences.social/users/cmboulanger/followers"
],
"sensitive": false,
"atomUri": "https://sciences.social/users/cmboulanger/statuses/114664040927851045",
"inReplyToAtomUri": "https://sciences.social/users/cmboulanger/statuses/114663935935204757",
"conversation": "tag:sciences.social,2025-06-11:objectId=75617592:objectType=Conversation",
"content": "<p>We use <a href=\"https://sciences.social/tags/grobid\" class=\"mention hashtag\" rel=\"tag\">#<span>grobid</span></a> and the plos1000 <a href=\"https://sciences.social/tags/goldstandard\" class=\"mention hashtag\" rel=\"tag\">#<span>goldstandard</span></a> as a baseline to compare the performance of LLM-based solutions. </p><p>Takeaways:</p><p>- Grobid still better choice for literature similar to the type it was trained on (mostly English-language STEM scholarship), since it is much faster & less resource-intensive<br />- For footnoted literature, experiments with LLamore/#Gemini show 3x better performance</p>",
"contentMap": {
"de": "<p>We use <a href=\"https://sciences.social/tags/grobid\" class=\"mention hashtag\" rel=\"tag\">#<span>grobid</span></a> and the plos1000 <a href=\"https://sciences.social/tags/goldstandard\" class=\"mention hashtag\" rel=\"tag\">#<span>goldstandard</span></a> as a baseline to compare the performance of LLM-based solutions. </p><p>Takeaways:</p><p>- Grobid still better choice for literature similar to the type it was trained on (mostly English-language STEM scholarship), since it is much faster & less resource-intensive<br />- For footnoted literature, experiments with LLamore/#Gemini show 3x better performance</p>"
},
"updated": "2025-06-11T12:30:03Z",
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://cdn.masto.host/sciencessocial/media_attachments/files/114/664/032/394/745/550/original/45e97aa4638810cf.png",
"name": null,
"blurhash": "U568v-~W?H9uIU9Ga{V@D%4.WAe.^+xt%2M|",
"width": 1079,
"height": 565
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://sciences.social/tags/grobid",
"name": "#grobid"
},
{
"type": "Hashtag",
"href": "https://sciences.social/tags/goldstandard",
"name": "#goldstandard"
}
],
"replies": {
"id": "https://sciences.social/users/cmboulanger/statuses/114664040927851045/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://sciences.social/users/cmboulanger/statuses/114664040927851045/replies?only_other_accounts=true&page=true",
"partOf": "https://sciences.social/users/cmboulanger/statuses/114664040927851045/replies",
"items": []
}
},
"likes": {
"id": "https://sciences.social/users/cmboulanger/statuses/114664040927851045/likes",
"type": "Collection",
"totalItems": 3
},
"shares": {
"id": "https://sciences.social/users/cmboulanger/statuses/114664040927851045/shares",
"type": "Collection",
"totalItems": 4
}
}
]
}
}