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", { "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.org.uk/users/mkwadee/statuses/114534747864374703", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-19T13:32:38Z", "url": "https://mastodon.org.uk/@mkwadee/114534747864374703", "attributedTo": "https://mastodon.org.uk/users/mkwadee", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.org.uk/users/mkwadee/followers" ], "sensitive": false, "atomUri": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703", "inReplyToAtomUri": null, "conversation": "tag:mastodon.org.uk,2025-05-19:objectId=165375091:objectType=Conversation", "content": "<p>In elementary <a href=\"https://mastodon.org.uk/tags/mechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>mechanics</span></a> we are taught about the <a href=\"https://mastodon.org.uk/tags/SimplePendulum\" class=\"mention hashtag\" rel=\"tag\">#<span>SimplePendulum</span></a>, which is modelled as a point <a href=\"https://mastodon.org.uk/tags/mass\" class=\"mention hashtag\" rel=\"tag\">#<span>mass</span></a> hanging via a rigid <a href=\"https://mastodon.org.uk/tags/rod\" class=\"mention hashtag\" rel=\"tag\">#<span>rod</span></a> or <a href=\"https://mastodon.org.uk/tags/string\" class=\"mention hashtag\" rel=\"tag\">#<span>string</span></a> of a given length, under uniform <a href=\"https://mastodon.org.uk/tags/gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>gravity</span></a>. This simple model is also useful in introducing <a href=\"https://mastodon.org.uk/tags/OrdinaryDifferentialEquations\" class=\"mention hashtag\" rel=\"tag\">#<span>OrdinaryDifferentialEquations</span></a> and helps us to understand <a href=\"https://mastodon.org.uk/tags/SimpleHarmonicMotion\" class=\"mention hashtag\" rel=\"tag\">#<span>SimpleHarmonicMotion</span></a>.</p><p><a href=\"https://mastodon.org.uk/tags/MyWork\" class=\"mention hashtag\" rel=\"tag\">#<span>MyWork</span></a> <a href=\"https://mastodon.org.uk/tags/CCBYSA\" class=\"mention hashtag\" rel=\"tag\">#<span>CCBYSA</span></a> <a href=\"https://mastodon.org.uk/tags/Mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>Mathematics</span></a> <a href=\"https://mastodon.org.uk/tags/ClassicalMechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>ClassicalMechanics</span></a> <a href=\"https://mastodon.org.uk/tags/AppliedMathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>AppliedMathematics</span></a> <a href=\"https://mastodon.org.uk/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mastodon.org.uk/tags/Animation\" class=\"mention hashtag\" rel=\"tag\">#<span>Animation</span></a></p>", "contentMap": { "en": "<p>In elementary <a href=\"https://mastodon.org.uk/tags/mechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>mechanics</span></a> we are taught about the <a href=\"https://mastodon.org.uk/tags/SimplePendulum\" class=\"mention hashtag\" rel=\"tag\">#<span>SimplePendulum</span></a>, which is modelled as a point <a href=\"https://mastodon.org.uk/tags/mass\" class=\"mention hashtag\" rel=\"tag\">#<span>mass</span></a> hanging via a rigid <a href=\"https://mastodon.org.uk/tags/rod\" class=\"mention hashtag\" rel=\"tag\">#<span>rod</span></a> or <a href=\"https://mastodon.org.uk/tags/string\" class=\"mention hashtag\" rel=\"tag\">#<span>string</span></a> of a given length, under uniform <a href=\"https://mastodon.org.uk/tags/gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>gravity</span></a>. This simple model is also useful in introducing <a href=\"https://mastodon.org.uk/tags/OrdinaryDifferentialEquations\" class=\"mention hashtag\" rel=\"tag\">#<span>OrdinaryDifferentialEquations</span></a> and helps us to understand <a href=\"https://mastodon.org.uk/tags/SimpleHarmonicMotion\" class=\"mention hashtag\" rel=\"tag\">#<span>SimpleHarmonicMotion</span></a>.</p><p><a href=\"https://mastodon.org.uk/tags/MyWork\" class=\"mention hashtag\" rel=\"tag\">#<span>MyWork</span></a> <a href=\"https://mastodon.org.uk/tags/CCBYSA\" class=\"mention hashtag\" rel=\"tag\">#<span>CCBYSA</span></a> <a href=\"https://mastodon.org.uk/tags/Mathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>Mathematics</span></a> <a href=\"https://mastodon.org.uk/tags/ClassicalMechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>ClassicalMechanics</span></a> <a href=\"https://mastodon.org.uk/tags/AppliedMathematics\" class=\"mention hashtag\" rel=\"tag\">#<span>AppliedMathematics</span></a> <a href=\"https://mastodon.org.uk/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mastodon.org.uk/tags/Animation\" class=\"mention hashtag\" rel=\"tag\">#<span>Animation</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/mechanics", "name": "#mechanics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/simplependulum", "name": "#simplependulum" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/mass", "name": "#mass" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/rod", "name": "#rod" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/string", "name": "#string" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/gravity", "name": "#gravity" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/ordinarydifferentialequations", "name": "#ordinarydifferentialequations" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/simpleharmonicmotion", "name": "#simpleharmonicmotion" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/mywork", "name": "#mywork" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/ccbysa", "name": "#ccbysa" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/mathematics", "name": "#mathematics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/classicalmechanics", "name": "#classicalmechanics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/appliedmathematics", "name": "#appliedmathematics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/animation", "name": "#animation" } ], "replies": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703/replies?min_id=114534748582382054&page=true", "partOf": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703/replies", "items": [ "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054" ] } }, "likes": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703/shares", "type": "Collection", "totalItems": 1 } }