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://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-27T14:10:09Z",
"url": "https://mathstodon.xyz/@astrolabe_cat/114580193884288362",
"attributedTo": "https://mathstodon.xyz/users/astrolabe_cat",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mathstodon.xyz/users/astrolabe_cat/followers"
],
"sensitive": false,
"atomUri": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362",
"inReplyToAtomUri": null,
"conversation": "tag:mathstodon.xyz,2025-05-27:objectId=155232777:objectType=Conversation",
"content": "<p>Whew, I'm feeling a bit shattered now. I just came out of the livestream of the funeral service for the man who was my first-year maths lecturer. He was also co-supervisor for my masters and my PhD. </p><p>I helped him run the UCT mathematics competition for many years (the largest (that we knew of) maths competition for high school students to be held in one venue in one evening. In my last year there there were 8000 students taking part.) <br />I helped him run the IMO the one time it's ever been held in Africa. </p><p>He was at my wedding. </p><p>When I started lecturing, I did so with him, on the course he coordinated. He taught me so much. I saw good teaching role modelled. I saw unabashed love of maths and how to share that with students. I learned how to coordinate a large team of teachers and tutors. I learned about fair assessment and about having a kind heart. About being ethical, and well organised.</p><p>He was a mentor and a role model. </p><p>John Webb, 1942-2025.</p><p><a href=\"https://mathstodon.xyz/tags/JohnWebb\" class=\"mention hashtag\" rel=\"tag\">#<span>JohnWebb</span></a> `<a href=\"https://mathstodon.xyz/tags/IMO\" class=\"mention hashtag\" rel=\"tag\">#<span>IMO</span></a> <a href=\"https://mathstodon.xyz/tags/UCTMathsCompetition\" class=\"mention hashtag\" rel=\"tag\">#<span>UCTMathsCompetition</span></a></p>",
"contentMap": {
"en": "<p>Whew, I'm feeling a bit shattered now. I just came out of the livestream of the funeral service for the man who was my first-year maths lecturer. He was also co-supervisor for my masters and my PhD. </p><p>I helped him run the UCT mathematics competition for many years (the largest (that we knew of) maths competition for high school students to be held in one venue in one evening. In my last year there there were 8000 students taking part.) <br />I helped him run the IMO the one time it's ever been held in Africa. </p><p>He was at my wedding. </p><p>When I started lecturing, I did so with him, on the course he coordinated. He taught me so much. I saw good teaching role modelled. I saw unabashed love of maths and how to share that with students. I learned how to coordinate a large team of teachers and tutors. I learned about fair assessment and about having a kind heart. About being ethical, and well organised.</p><p>He was a mentor and a role model. </p><p>John Webb, 1942-2025.</p><p><a href=\"https://mathstodon.xyz/tags/JohnWebb\" class=\"mention hashtag\" rel=\"tag\">#<span>JohnWebb</span></a> `<a href=\"https://mathstodon.xyz/tags/IMO\" class=\"mention hashtag\" rel=\"tag\">#<span>IMO</span></a> <a href=\"https://mathstodon.xyz/tags/UCTMathsCompetition\" class=\"mention hashtag\" rel=\"tag\">#<span>UCTMathsCompetition</span></a></p>"
},
"updated": "2025-05-27T14:13:41Z",
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/uctmathscompetition",
"name": "#uctmathscompetition"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/imo",
"name": "#imo"
},
{
"type": "Hashtag",
"href": "https://mathstodon.xyz/tags/johnwebb",
"name": "#johnwebb"
}
],
"replies": {
"id": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362/replies?only_other_accounts=true&page=true",
"partOf": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362/replies",
"items": []
}
},
"likes": {
"id": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362/likes",
"type": "Collection",
"totalItems": 5
},
"shares": {
"id": "https://mathstodon.xyz/users/astrolabe_cat/statuses/114580193884288362/shares",
"type": "Collection",
"totalItems": 3
}
}