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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-15T08:35:42Z", "url": "https://mathstodon.xyz/@j_bertolotti/113831453787800370", "attributedTo": "https://mathstodon.xyz/users/j_bertolotti", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/j_bertolotti/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-01-15:objectId=132929102:objectType=Conversation", "content": "<p><a href=\"https://mathstodon.xyz/tags/PhysicsFactlet\" class=\"mention hashtag\" rel=\"tag\">#<span>PhysicsFactlet</span></a> <br />Light propagates in a straight line (actually it is more complicated than that, but this is good enough for us here) and we see only the light that comes to our eyes. As a result you usually don&#39;t see the light going from its source to the objects it illuminates.<br />Unless it is misty, in which case light can scatter on the water droplets and you can &quot;see&quot; the light&#39;s path (&quot;Tyndall effect&quot;).</p><p><a href=\"https://mathstodon.xyz/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mathstodon.xyz/tags/Optics\" class=\"mention hashtag\" rel=\"tag\">#<span>Optics</span></a> <a href=\"https://mathstodon.xyz/tags/EverydayPhysics\" class=\"mention hashtag\" rel=\"tag\">#<span>EverydayPhysics</span></a></p>", "contentMap": { "en": "<p><a href=\"https://mathstodon.xyz/tags/PhysicsFactlet\" class=\"mention hashtag\" rel=\"tag\">#<span>PhysicsFactlet</span></a> <br />Light propagates in a straight line (actually it is more complicated than that, but this is good enough for us here) and we see only the light that comes to our eyes. As a result you usually don&#39;t see the light going from its source to the objects it illuminates.<br />Unless it is misty, in which case light can scatter on the water droplets and you can &quot;see&quot; the light&#39;s path (&quot;Tyndall effect&quot;).</p><p><a href=\"https://mathstodon.xyz/tags/Physics\" class=\"mention hashtag\" rel=\"tag\">#<span>Physics</span></a> <a href=\"https://mathstodon.xyz/tags/Optics\" class=\"mention hashtag\" rel=\"tag\">#<span>Optics</span></a> <a href=\"https://mathstodon.xyz/tags/EverydayPhysics\" class=\"mention hashtag\" rel=\"tag\">#<span>EverydayPhysics</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/831/433/932/628/832/original/62407712876878ca.jpg", "name": "Photo of a house illuminated by a streetlamp. Due to the mist, the cone of light is well visible.", "blurhash": "UDATJ?NH02xt4=ofxtoe9Ht7-:M|-okCa$Rk", "focalPoint": [ 0, 0 ], "width": 3264, "height": 2448 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/everydayphysics", "name": "#everydayphysics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/optics", "name": "#optics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/physicsfactlet", "name": "#physicsfactlet" } ], "replies": { "id": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370/likes", "type": "Collection", "totalItems": 11 }, "shares": { "id": "https://mathstodon.xyz/users/j_bertolotti/statuses/113831453787800370/shares", "type": "Collection", "totalItems": 5 } }