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.social/users/cito_greenhouse/statuses/114733159257703348",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-23T14:31:15Z",
"url": "https://mastodon.social/@cito_greenhouse/114733159257703348",
"attributedTo": "https://mastodon.social/users/cito_greenhouse",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/cito_greenhouse/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-06-23:objectId=1030411116:objectType=Conversation",
"content": "<p>The Brain’s Dynamic Highway System: Microtubules, Actin, and Neuroplasticity</p><p><a href=\"https://mastodon.social/tags/Neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroscience</span></a> <a href=\"https://mastodon.social/tags/Neuroplasticity\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroplasticity</span></a> <a href=\"https://mastodon.social/tags/BrainScience\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainScience</span></a> <a href=\"https://mastodon.social/tags/Microtubules\" class=\"mention hashtag\" rel=\"tag\">#<span>Microtubules</span></a> <a href=\"https://mastodon.social/tags/ActinFilaments\" class=\"mention hashtag\" rel=\"tag\">#<span>ActinFilaments</span></a> <a href=\"https://mastodon.social/tags/Memory\" class=\"mention hashtag\" rel=\"tag\">#<span>Memory</span></a> <a href=\"https://mastodon.social/tags/Learning\" class=\"mention hashtag\" rel=\"tag\">#<span>Learning</span></a> <a href=\"https://mastodon.social/tags/BrainHealth\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainHealth</span></a> <a href=\"https://mastodon.social/tags/QuantumMind\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumMind</span></a> <a href=\"https://mastodon.social/tags/NeuralNetworks\" class=\"mention hashtag\" rel=\"tag\">#<span>NeuralNetworks</span></a> <a href=\"https://mastodon.social/tags/Cognition\" class=\"mention hashtag\" rel=\"tag\">#<span>Cognition</span></a> <a href=\"https://mastodon.social/tags/MindMysteries\" class=\"mention hashtag\" rel=\"tag\">#<span>MindMysteries</span></a> <a href=\"https://mastodon.social/tags/BrainBiology\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainBiology</span></a> <a href=\"https://mastodon.social/tags/Neurodegeneration\" class=\"mention hashtag\" rel=\"tag\">#<span>Neurodegeneration</span></a> <a href=\"https://mastodon.social/tags/Neurophilosophy\" class=\"mention hashtag\" rel=\"tag\">#<span>Neurophilosophy</span></a></p><p><a href=\"https://youtube.com/shorts/_9HnrDPJM1I?feature=share\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtube.com/shorts/_9HnrDPJM1I</span><span class=\"invisible\">?feature=share</span></a></p>",
"contentMap": {
"en": "<p>The Brain’s Dynamic Highway System: Microtubules, Actin, and Neuroplasticity</p><p><a href=\"https://mastodon.social/tags/Neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroscience</span></a> <a href=\"https://mastodon.social/tags/Neuroplasticity\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroplasticity</span></a> <a href=\"https://mastodon.social/tags/BrainScience\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainScience</span></a> <a href=\"https://mastodon.social/tags/Microtubules\" class=\"mention hashtag\" rel=\"tag\">#<span>Microtubules</span></a> <a href=\"https://mastodon.social/tags/ActinFilaments\" class=\"mention hashtag\" rel=\"tag\">#<span>ActinFilaments</span></a> <a href=\"https://mastodon.social/tags/Memory\" class=\"mention hashtag\" rel=\"tag\">#<span>Memory</span></a> <a href=\"https://mastodon.social/tags/Learning\" class=\"mention hashtag\" rel=\"tag\">#<span>Learning</span></a> <a href=\"https://mastodon.social/tags/BrainHealth\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainHealth</span></a> <a href=\"https://mastodon.social/tags/QuantumMind\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumMind</span></a> <a href=\"https://mastodon.social/tags/NeuralNetworks\" class=\"mention hashtag\" rel=\"tag\">#<span>NeuralNetworks</span></a> <a href=\"https://mastodon.social/tags/Cognition\" class=\"mention hashtag\" rel=\"tag\">#<span>Cognition</span></a> <a href=\"https://mastodon.social/tags/MindMysteries\" class=\"mention hashtag\" rel=\"tag\">#<span>MindMysteries</span></a> <a href=\"https://mastodon.social/tags/BrainBiology\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainBiology</span></a> <a href=\"https://mastodon.social/tags/Neurodegeneration\" class=\"mention hashtag\" rel=\"tag\">#<span>Neurodegeneration</span></a> <a href=\"https://mastodon.social/tags/Neurophilosophy\" class=\"mention hashtag\" rel=\"tag\">#<span>Neurophilosophy</span></a></p><p><a href=\"https://youtube.com/shorts/_9HnrDPJM1I?feature=share\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">youtube.com/shorts/_9HnrDPJM1I</span><span class=\"invisible\">?feature=share</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neuroscience",
"name": "#neuroscience"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neuroplasticity",
"name": "#neuroplasticity"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/brainscience",
"name": "#brainscience"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/microtubules",
"name": "#microtubules"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/actinfilaments",
"name": "#actinfilaments"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/memory",
"name": "#memory"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/learning",
"name": "#learning"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/brainhealth",
"name": "#brainhealth"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/QuantumMind",
"name": "#QuantumMind"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neuralnetworks",
"name": "#neuralnetworks"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cognition",
"name": "#cognition"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/mindmysteries",
"name": "#mindmysteries"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/brainbiology",
"name": "#brainbiology"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neurodegeneration",
"name": "#neurodegeneration"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/neurophilosophy",
"name": "#neurophilosophy"
}
],
"replies": {
"id": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://mastodon.social/users/cito_greenhouse/statuses/114733159257703348/shares",
"type": "Collection",
"totalItems": 4
}
}