ActivityPub Viewer

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.

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{ "@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", "Device": "toot:Device", "Ed25519Signature": "toot:Ed25519Signature", "Ed25519Key": "toot:Ed25519Key", "Curve25519Key": "toot:Curve25519Key", "EncryptedMessage": "toot:EncryptedMessage", "publicKeyBase64": "toot:publicKeyBase64", "deviceId": "toot:deviceId", "claim": { "@type": "@id", "@id": "toot:claim" }, "fingerprintKey": { "@type": "@id", "@id": "toot:fingerprintKey" }, "identityKey": { "@type": "@id", "@id": "toot:identityKey" }, "devices": { "@type": "@id", "@id": "toot:devices" }, "messageFranking": "toot:messageFranking", "messageType": "toot:messageType", "cipherText": "toot:cipherText", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "Hashtag": "as:Hashtag", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.nl/users/matherion", "type": "Person", "following": "https://mastodon.nl/users/matherion/following", "followers": "https://mastodon.nl/users/matherion/followers", "inbox": "https://mastodon.nl/users/matherion/inbox", "outbox": "https://mastodon.nl/users/matherion/outbox", "featured": "https://mastodon.nl/users/matherion/collections/featured", "featuredTags": "https://mastodon.nl/users/matherion/collections/tags", "preferredUsername": "matherion", "name": "Gjalt-Jorn Peters", "summary": "<p>Striving for validity, not validation 📏🧠</p><p>Associate professor of Theory, Methods &amp; Statistics, Psychology, Open University of the Netherlands.</p><p>Started out in behavior change research &amp; intervention development and shifted towards methodology, measurement and validity.</p><p>🧠<a href=\"https://mastodon.nl/tags/BehaviorChange\" class=\"mention hashtag\" rel=\"tag\">#<span>BehaviorChange</span></a> &amp; <a href=\"https://mastodon.nl/tags/Psychology\" class=\"mention hashtag\" rel=\"tag\">#<span>Psychology</span></a><br />🔬<a href=\"https://mastodon.nl/tags/OpenScience\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenScience</span></a><br />📈 <a href=\"https://mastodon.nl/tags/Methodology\" class=\"mention hashtag\" rel=\"tag\">#<span>Methodology</span></a> &amp; <a href=\"https://mastodon.nl/tags/Statistics\" class=\"mention hashtag\" rel=\"tag\">#<span>Statistics</span></a><br />🎙️ <a href=\"https://mastodon.nl/tags/QualitativeMethods\" class=\"mention hashtag\" rel=\"tag\">#<span>QualitativeMethods</span></a><br />💻 <a href=\"https://mastodon.nl/tags/rstats\" class=\"mention hashtag\" rel=\"tag\">#<span>rstats</span></a>, <a href=\"https://mastodon.nl/tags/r\" class=\"mention hashtag\" rel=\"tag\">#<span>r</span></a>, <span class=\"h-card\" translate=\"no\"><a href=\"https://gup.pe/u/rstats\" class=\"u-url mention\">@<span>rstats</span></a></span><br />🗺 <a href=\"https://mastodon.nl/tags/InterventionMapping\" class=\"mention hashtag\" rel=\"tag\">#<span>InterventionMapping</span></a><br />🌃🎶 <a href=\"https://mastodon.nl/tags/Nightlife\" class=\"mention hashtag\" rel=\"tag\">#<span>Nightlife</span></a> risk behavior<br />🍻💊 <a href=\"https://mastodon.nl/tags/Substance\" class=\"mention hashtag\" rel=\"tag\">#<span>Substance</span></a> use</p><p>and</p><p>5🐈</p><p>they/him</p>", "url": "https://mastodon.nl/@matherion", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2022-11-01T00:00:00Z", "memorial": false, "devices": "https://mastodon.nl/users/matherion/collections/devices", "publicKey": { "id": "https://mastodon.nl/users/matherion#main-key", "owner": "https://mastodon.nl/users/matherion", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvU7xnctm6yohCuT1Xy8P\n4xa3l4FfFPOKCijHhp5RI/gabC7mkXaBPsN2w/MROAmtuPcFTxTVAeHP2yVZ198j\nd/VfSUrQn7hGrHtlTINq4JWamypzPGLQ8BFfUPhPYAx1Vz6ElsnEJiT21c/PDxrO\ntFhJlwdBTb9zkCWw3GHf33lnR3ZXZQ7PsafbDG1nTmA6lixhq99eDs8PP6BCVZ4o\nQzvZUb6hgsn/o3v1eqRfWgoAdE17cGsKEi6xkXUZQu2AUxGocbIKZGlRj1tQiBg/\n6hdyR+hJw11EUHYJeY9cyuekwddfz0Jx7h05h1rjjZbiIQ+sggiZdVedlJeS5IaO\ndQIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [ { "type": "Hashtag", "href": "https://mastodon.nl/tags/psychology", "name": "#psychology" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/statistics", "name": "#statistics" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/openscience", "name": "#openscience" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/r", "name": "#r" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/substance", "name": "#substance" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/rstats", "name": "#rstats" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/methodology", "name": "#methodology" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/nightlife", "name": "#nightlife" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/qualitativemethods", "name": "#qualitativemethods" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/behaviorchange", "name": "#behaviorchange" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/interventionmapping", "name": "#interventionmapping" } ], "attachment": [ { "type": "PropertyValue", "name": "Site", "value": "<a href=\"https://behaviorchange.eu\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">behaviorchange.eu</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "#r #rstats 📦", "value": "<a href=\"https://opens.science\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">opens.science</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "Open Science", "value": "<a href=\"https://osf.io/txfec\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">osf.io/txfec</span><span class=\"invisible\"></span></a>" }, { "type": "PropertyValue", "name": "OpenAlex (publications)", "value": "<a href=\"https://openalex.org/authors/a5039009028\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">openalex.org/authors/a50390090</span><span class=\"invisible\">28</span></a>" } ], "endpoints": { "sharedInbox": "https://mastodon.nl/inbox" }, "icon": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.nl/system/accounts/avatars/109/270/392/616/604/597/original/9979ed04b220814b.jpg" }, "image": { "type": "Image", "mediaType": "image/jpeg", "url": "https://mastodon.nl/system/accounts/headers/109/270/392/616/604/597/original/c2cb3566ccbba8c6.jpg" } }