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://sigmoid.social/users/lenarddome/statuses/114352529036008497", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-17T09:11:59Z", "url": "https://sigmoid.social/@lenarddome/114352529036008497", "attributedTo": "https://sigmoid.social/users/lenarddome", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sigmoid.social/users/lenarddome/followers" ], "sensitive": false, "atomUri": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497", "inReplyToAtomUri": null, "conversation": "tag:sigmoid.social,2025-04-17:objectId=55697817:objectType=Conversation", "content": "<p>This one is finally out! 🎉</p><p>We introduce g-distance, a measure we derive with Set Theory that assesses model adequacy by comparing the range of behaviours exhibited by models to that of humans. <a href=\"https://sigmoid.social/tags/computationalmodeling\" class=\"mention hashtag\" rel=\"tag\">#<span>computationalmodeling</span></a> <br /><a href=\"https://sigmoid.social/tags/cognitivescience\" class=\"mention hashtag\" rel=\"tag\">#<span>cognitivescience</span></a> </p><p><a href=\"https://psycnet.apa.org/doi/10.1037/rev0000550\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">psycnet.apa.org/doi/10.1037/re</span><span class=\"invisible\">v0000550</span></a></p>", "contentMap": { "en": "<p>This one is finally out! 🎉</p><p>We introduce g-distance, a measure we derive with Set Theory that assesses model adequacy by comparing the range of behaviours exhibited by models to that of humans. <a href=\"https://sigmoid.social/tags/computationalmodeling\" class=\"mention hashtag\" rel=\"tag\">#<span>computationalmodeling</span></a> <br /><a href=\"https://sigmoid.social/tags/cognitivescience\" class=\"mention hashtag\" rel=\"tag\">#<span>cognitivescience</span></a> </p><p><a href=\"https://psycnet.apa.org/doi/10.1037/rev0000550\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">psycnet.apa.org/doi/10.1037/re</span><span class=\"invisible\">v0000550</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://sigmoid.social/tags/ComputationalModeling", "name": "#ComputationalModeling" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/cognitivescience", "name": "#cognitivescience" } ], "replies": { "id": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497/replies?min_id=114352531724320218&page=true", "partOf": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497/replies", "items": [ "https://sigmoid.social/users/lenarddome/statuses/114352531724320218" ] } }, "likes": { "id": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://sigmoid.social/users/lenarddome/statuses/114352529036008497/shares", "type": "Collection", "totalItems": 1 } }