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",
"https://w3id.org/security/v1",
{
"manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
"toot": "http://joinmastodon.org/ns#",
"featured": {
"@id": "toot:featured",
"@type": "@id"
},
"featuredTags": {
"@id": "toot:featuredTags",
"@type": "@id"
},
"alsoKnownAs": {
"@id": "as:alsoKnownAs",
"@type": "@id"
},
"movedTo": {
"@id": "as:movedTo",
"@type": "@id"
},
"schema": "http://schema.org#",
"PropertyValue": "schema:PropertyValue",
"value": "schema:value",
"discoverable": "toot:discoverable",
"suspended": "toot:suspended",
"memorial": "toot:memorial",
"indexable": "toot:indexable",
"attributionDomains": {
"@id": "toot:attributionDomains",
"@type": "@id"
},
"Hashtag": "as:Hashtag",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mastodon.cooleysekula.net/users/steve",
"type": "Person",
"following": "https://mastodon.cooleysekula.net/users/steve/following",
"followers": "https://mastodon.cooleysekula.net/users/steve/followers",
"inbox": "https://mastodon.cooleysekula.net/users/steve/inbox",
"outbox": "https://mastodon.cooleysekula.net/users/steve/outbox",
"featured": "https://mastodon.cooleysekula.net/users/steve/collections/featured",
"featuredTags": "https://mastodon.cooleysekula.net/users/steve/collections/tags",
"preferredUsername": "steve",
"name": "Stephen Sekula",
"summary": "<p><a href=\"https://mastodon.cooleysekula.net/tags/Astrophysicist\" class=\"mention hashtag\" rel=\"tag\">#<span>Astrophysicist</span></a> and <a href=\"https://mastodon.cooleysekula.net/tags/ParticlePhysicist\" class=\"mention hashtag\" rel=\"tag\">#<span>ParticlePhysicist</span></a>. <a href=\"https://mastodon.cooleysekula.net/tags/SNOLAB\" class=\"mention hashtag\" rel=\"tag\">#<span>SNOLAB</span></a> Research Group Manager, <a href=\"https://mastodon.cooleysekula.net/tags/Professor\" class=\"mention hashtag\" rel=\"tag\">#<span>Professor</span></a> at Queen's University. I live and work in <a href=\"https://mastodon.cooleysekula.net/tags/Sudbury\" class=\"mention hashtag\" rel=\"tag\">#<span>Sudbury</span></a>, <a href=\"https://mastodon.cooleysekula.net/tags/Ontario\" class=\"mention hashtag\" rel=\"tag\">#<span>Ontario</span></a>, <a href=\"https://mastodon.cooleysekula.net/tags/Canada\" class=\"mention hashtag\" rel=\"tag\">#<span>Canada</span></a>. I study <a href=\"https://mastodon.cooleysekula.net/tags/neutrinos\" class=\"mention hashtag\" rel=\"tag\">#<span>neutrinos</span></a> and hunt for <a href=\"https://mastodon.cooleysekula.net/tags/darkmatter\" class=\"mention hashtag\" rel=\"tag\">#<span>darkmatter</span></a>. I am an <a href=\"https://mastodon.cooleysekula.net/tags/author\" class=\"mention hashtag\" rel=\"tag\">#<span>author</span></a> <a href=\"https://mastodon.cooleysekula.net/tags/coder\" class=\"mention hashtag\" rel=\"tag\">#<span>coder</span></a> <a href=\"https://mastodon.cooleysekula.net/tags/runner\" class=\"mention hashtag\" rel=\"tag\">#<span>runner</span></a>.</p><p>2025 Breakthrough Prize in Fundamental Physics co-laureate.</p><p>Banner image: the lid that sits atop the tank that will soon hold the PICO-500 superheated bubble chamber dark matter experiment.</p>",
"url": "https://mastodon.cooleysekula.net/@steve",
"manuallyApprovesFollowers": true,
"discoverable": true,
"indexable": true,
"published": "2023-01-09T00:00:00Z",
"memorial": false,
"publicKey": {
"id": "https://mastodon.cooleysekula.net/users/steve#main-key",
"owner": "https://mastodon.cooleysekula.net/users/steve",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJN1vFStD9CwciF46RUH\n73lHsXFfBw66OJCLlgA6Q7Pus8ieutCv++BgbxS6WlBB13UwpBEiOvV5E7gTjy4P\nrsu+JCGrpYiFfM/lWWnms5063ceGhPmY62btbI0G5U4q6wZwg6/88ZptsyjeGODp\nOTDW7hvKsaqayD9mWrSbZzao3LI0e9eTFr38K09A9CabEES9JWD/RLcXO4kW03xn\n3aF5zt1WJdllwiBGmPKPdjJrufW2OYitgsAFjZiG0mHPlb0TIDlIlA8ckHcpKQUp\n2l/7bZ5TqGc092DQIy3RWxW5DyOhO7anoTggKD8C3yPR+PfEtV1rLNZWzKsrHss5\njQIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/neutrinos",
"name": "#neutrinos"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/darkmatter",
"name": "#darkmatter"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/coder",
"name": "#coder"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/runner",
"name": "#runner"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/sudbury",
"name": "#sudbury"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/ontario",
"name": "#ontario"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/canada",
"name": "#canada"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/author",
"name": "#author"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/astrophysicist",
"name": "#astrophysicist"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/particlephysicist",
"name": "#particlephysicist"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/professor",
"name": "#professor"
},
{
"type": "Hashtag",
"href": "https://mastodon.cooleysekula.net/tags/snolab",
"name": "#snolab"
}
],
"attachment": [
{
"type": "PropertyValue",
"name": "LATEST BOOK",
"value": "The Dark Matter Discoverer’s Guidebook (<a href=\"https://darkmatterdiscoverer.org\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">darkmatterdiscoverer.org</span><span class=\"invisible\"></span></a>)"
},
{
"type": "PropertyValue",
"name": "ALL BOOKS",
"value": "<a href=\"https://steve.cooleysekula.net/books/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">steve.cooleysekula.net/books/</span><span class=\"invisible\"></span></a>"
},
{
"type": "PropertyValue",
"name": "BLOG",
"value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://steve.cooleysekula.net/blog/author/steve/\" class=\"u-url mention\">@<span>steve@steve.cooleysekula.net</span></a></span>"
},
{
"type": "PropertyValue",
"name": "MEDIA",
"value": "<span class=\"h-card\" translate=\"no\"><a href=\"https://media.cooleysekula.net/accounts/sjsekula\" class=\"u-url mention\">@<span>sjsekula@media.cooleysekula.net</span></a></span>"
}
],
"endpoints": {
"sharedInbox": "https://mastodon.cooleysekula.net/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://mastodon.cooleysekula.net/system/accounts/avatars/109/656/838/388/288/720/original/0f63659d70040bd6.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://mastodon.cooleysekula.net/system/accounts/headers/109/656/838/388/288/720/original/d9ee2fb661697e63.jpeg"
}
}