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://mastodon.social/users/agustinstartari/collections/featured",
"type": "OrderedCollection",
"totalItems": 1,
"orderedItems": [
{
"id": "https://mastodon.social/users/agustinstartari/statuses/114565388659407872",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-24T23:24:59Z",
"url": "https://mastodon.social/@agustinstartari/114565388659407872",
"attributedTo": "https://mastodon.social/users/agustinstartari",
"to": [
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],
"cc": [
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],
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"conversation": "tag:mastodon.social,2025-05-24:objectId=1005686193:objectType=Conversation",
"content": "<p>📄 New paper published:<br />When the Future Shapes the Present — A theory of retrostructured coherence.</p><p>What if order emerges from the future, not the past?</p><p>🧠 Entropy × Projected Attractors → Coherence Nodes<br />📚 DOI: 10.5281/zenodo.15507742<br />🔗 <a href=\"https://medium.com/@agustin.startari/when-the-future-shapes-the-present-a-theory-of-retrostructured-coherence-15507742\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@agustin.startari/w</span><span class=\"invisible\">hen-the-future-shapes-the-present-a-theory-of-retrostructured-coherence-15507742</span></a></p><p><a href=\"https://mastodon.social/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://mastodon.social/tags/entropy\" class=\"mention hashtag\" rel=\"tag\">#<span>entropy</span></a> <a href=\"https://mastodon.social/tags/coherence\" class=\"mention hashtag\" rel=\"tag\">#<span>coherence</span></a> <a href=\"https://mastodon.social/tags/retrocausality\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocausality</span></a></p>",
"contentMap": {
"en": "<p>📄 New paper published:<br />When the Future Shapes the Present — A theory of retrostructured coherence.</p><p>What if order emerges from the future, not the past?</p><p>🧠 Entropy × Projected Attractors → Coherence Nodes<br />📚 DOI: 10.5281/zenodo.15507742<br />🔗 <a href=\"https://medium.com/@agustin.startari/when-the-future-shapes-the-present-a-theory-of-retrostructured-coherence-15507742\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@agustin.startari/w</span><span class=\"invisible\">hen-the-future-shapes-the-present-a-theory-of-retrostructured-coherence-15507742</span></a></p><p><a href=\"https://mastodon.social/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://mastodon.social/tags/entropy\" class=\"mention hashtag\" rel=\"tag\">#<span>entropy</span></a> <a href=\"https://mastodon.social/tags/coherence\" class=\"mention hashtag\" rel=\"tag\">#<span>coherence</span></a> <a href=\"https://mastodon.social/tags/retrocausality\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocausality</span></a></p>"
},
"attachment": [
{
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"url": "https://files.mastodon.social/media_attachments/files/114/565/385/619/806/030/original/cb9931a567eecfd8.png",
"name": "Agustin V. Startari",
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"height": 1024
}
],
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"name": "#entropy"
},
{
"type": "Hashtag",
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"name": "#coherence"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/retrocausality",
"name": "#retrocausality"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/physics",
"name": "#physics"
}
],
"replies": {
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"type": "Collection",
"first": {
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}
},
"likes": {
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"type": "Collection",
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},
"shares": {
"id": "https://mastodon.social/users/agustinstartari/statuses/114565388659407872/shares",
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}
}
]
}