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://mastodon.world/users/formuchdeliberation/statuses/114489481110023408",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-11T13:40:42Z",
"url": "https://mastodon.world/@formuchdeliberation/114489481110023408",
"attributedTo": "https://mastodon.world/users/formuchdeliberation",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.world/users/formuchdeliberation/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.world,2025-05-11:objectId=413507046:objectType=Conversation",
"content": "<p>Einstein’s Relativity Predicted a Twisted Illusion – Now Scientists Have Finally Seen It…</p><p>When things move really, really fast, close to the speed of light, our everyday ideas about <a href=\"https://mastodon.world/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> and <a href=\"https://mastodon.world/tags/time\" class=\"mention hashtag\" rel=\"tag\">#<span>time</span></a> start to break down. This is the heart of Einstein’s special theory of <a href=\"https://mastodon.world/tags/relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>relativity</span></a>. Objects actually shrink in length as they speed up, and time flows differently for them than it does for someone watching from the outside... <a href=\"https://mastodon.world/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://mastodon.world/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p><p><a href=\"https://formuchdeliberation.wordpress.com/2025/05/11/einsteins-relativity-predicted-a-twisted-illusion-now-scientists-have-finally-seen-it/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">formuchdeliberation.wordpress.</span><span class=\"invisible\">com/2025/05/11/einsteins-relativity-predicted-a-twisted-illusion-now-scientists-have-finally-seen-it/</span></a></p>",
"contentMap": {
"en": "<p>Einstein’s Relativity Predicted a Twisted Illusion – Now Scientists Have Finally Seen It…</p><p>When things move really, really fast, close to the speed of light, our everyday ideas about <a href=\"https://mastodon.world/tags/space\" class=\"mention hashtag\" rel=\"tag\">#<span>space</span></a> and <a href=\"https://mastodon.world/tags/time\" class=\"mention hashtag\" rel=\"tag\">#<span>time</span></a> start to break down. This is the heart of Einstein’s special theory of <a href=\"https://mastodon.world/tags/relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>relativity</span></a>. Objects actually shrink in length as they speed up, and time flows differently for them than it does for someone watching from the outside... <a href=\"https://mastodon.world/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://mastodon.world/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p><p><a href=\"https://formuchdeliberation.wordpress.com/2025/05/11/einsteins-relativity-predicted-a-twisted-illusion-now-scientists-have-finally-seen-it/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">formuchdeliberation.wordpress.</span><span class=\"invisible\">com/2025/05/11/einsteins-relativity-predicted-a-twisted-illusion-now-scientists-have-finally-seen-it/</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/space",
"name": "#space"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/time",
"name": "#time"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/relativity",
"name": "#relativity"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/physics",
"name": "#physics"
},
{
"type": "Hashtag",
"href": "https://mastodon.world/tags/science",
"name": "#science"
}
],
"replies": {
"id": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408/likes",
"type": "Collection",
"totalItems": 2
},
"shares": {
"id": "https://mastodon.world/users/formuchdeliberation/statuses/114489481110023408/shares",
"type": "Collection",
"totalItems": 1
}
}