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://pubeurope.com/users/europesays/statuses/114606908770919219", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-01T07:24:06Z", "url": "https://pubeurope.com/@europesays/114606908770919219", "attributedTo": "https://pubeurope.com/users/europesays", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://pubeurope.com/users/europesays/followers" ], "sensitive": false, "atomUri": "https://pubeurope.com/users/europesays/statuses/114606908770919219", "inReplyToAtomUri": null, "conversation": "tag:pubeurope.com,2025-06-01:objectId=2930942:objectType=Conversation", "content": "<p><a href=\"https://www.europesays.com/2125986/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">europesays.com/2125986/</span><span class=\"invisible\"></span></a> Meta’s Yann LeCun: Nations Should Contribute to Shared Open-Source AI <a href=\"https://pubeurope.com/tags/Altman\" class=\"mention hashtag\" rel=\"tag\">#<span>Altman</span></a> <a href=\"https://pubeurope.com/tags/america\" class=\"mention hashtag\" rel=\"tag\">#<span>america</span></a> <a href=\"https://pubeurope.com/tags/business\" class=\"mention hashtag\" rel=\"tag\">#<span>business</span></a> <a href=\"https://pubeurope.com/tags/BusinessInsider\" class=\"mention hashtag\" rel=\"tag\">#<span>BusinessInsider</span></a> <a href=\"https://pubeurope.com/tags/ChiefAiScientist\" class=\"mention hashtag\" rel=\"tag\">#<span>ChiefAiScientist</span></a> <a href=\"https://pubeurope.com/tags/ClosedLoopSystem\" class=\"mention hashtag\" rel=\"tag\">#<span>ClosedLoopSystem</span></a> <a href=\"https://pubeurope.com/tags/company\" class=\"mention hashtag\" rel=\"tag\">#<span>company</span></a> <a href=\"https://pubeurope.com/tags/country\" class=\"mention hashtag\" rel=\"tag\">#<span>country</span></a> <a href=\"https://pubeurope.com/tags/datum\" class=\"mention hashtag\" rel=\"tag\">#<span>datum</span></a> <a href=\"https://pubeurope.com/tags/HumanKnowledge\" class=\"mention hashtag\" rel=\"tag\">#<span>HumanKnowledge</span></a> <a href=\"https://pubeurope.com/tags/Meta\" class=\"mention hashtag\" rel=\"tag\">#<span>Meta</span></a> <a href=\"https://pubeurope.com/tags/regulation\" class=\"mention hashtag\" rel=\"tag\">#<span>regulation</span></a> <a href=\"https://pubeurope.com/tags/repository\" class=\"mention hashtag\" rel=\"tag\">#<span>repository</span></a> <a href=\"https://pubeurope.com/tags/SharedOpenSourceAi\" class=\"mention hashtag\" rel=\"tag\">#<span>SharedOpenSourceAi</span></a> <a href=\"https://pubeurope.com/tags/UnitedStates\" class=\"mention hashtag\" rel=\"tag\">#<span>UnitedStates</span></a> <a href=\"https://pubeurope.com/tags/UnitedStatesOfAmerica\" class=\"mention hashtag\" rel=\"tag\">#<span>UnitedStatesOfAmerica</span></a> <a href=\"https://pubeurope.com/tags/US\" class=\"mention hashtag\" rel=\"tag\">#<span>US</span></a> <a href=\"https://pubeurope.com/tags/USA\" class=\"mention hashtag\" rel=\"tag\">#<span>USA</span></a> <a href=\"https://pubeurope.com/tags/world\" class=\"mention hashtag\" rel=\"tag\">#<span>world</span></a> <a href=\"https://pubeurope.com/tags/YannLeCun\" class=\"mention hashtag\" rel=\"tag\">#<span>YannLeCun</span></a> <a href=\"https://pubeurope.com/tags/year\" class=\"mention hashtag\" rel=\"tag\">#<span>year</span></a></p>", "contentMap": { "en": "<p><a href=\"https://www.europesays.com/2125986/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">europesays.com/2125986/</span><span class=\"invisible\"></span></a> Meta’s Yann LeCun: Nations Should Contribute to Shared Open-Source AI <a href=\"https://pubeurope.com/tags/Altman\" class=\"mention hashtag\" rel=\"tag\">#<span>Altman</span></a> <a href=\"https://pubeurope.com/tags/america\" class=\"mention hashtag\" rel=\"tag\">#<span>america</span></a> <a href=\"https://pubeurope.com/tags/business\" class=\"mention hashtag\" rel=\"tag\">#<span>business</span></a> <a href=\"https://pubeurope.com/tags/BusinessInsider\" class=\"mention hashtag\" rel=\"tag\">#<span>BusinessInsider</span></a> <a href=\"https://pubeurope.com/tags/ChiefAiScientist\" class=\"mention hashtag\" rel=\"tag\">#<span>ChiefAiScientist</span></a> <a href=\"https://pubeurope.com/tags/ClosedLoopSystem\" class=\"mention hashtag\" rel=\"tag\">#<span>ClosedLoopSystem</span></a> <a href=\"https://pubeurope.com/tags/company\" class=\"mention hashtag\" rel=\"tag\">#<span>company</span></a> <a href=\"https://pubeurope.com/tags/country\" class=\"mention hashtag\" rel=\"tag\">#<span>country</span></a> <a href=\"https://pubeurope.com/tags/datum\" class=\"mention hashtag\" rel=\"tag\">#<span>datum</span></a> <a href=\"https://pubeurope.com/tags/HumanKnowledge\" class=\"mention hashtag\" rel=\"tag\">#<span>HumanKnowledge</span></a> <a href=\"https://pubeurope.com/tags/Meta\" class=\"mention hashtag\" rel=\"tag\">#<span>Meta</span></a> <a href=\"https://pubeurope.com/tags/regulation\" class=\"mention hashtag\" rel=\"tag\">#<span>regulation</span></a> <a href=\"https://pubeurope.com/tags/repository\" class=\"mention hashtag\" rel=\"tag\">#<span>repository</span></a> <a href=\"https://pubeurope.com/tags/SharedOpenSourceAi\" class=\"mention hashtag\" rel=\"tag\">#<span>SharedOpenSourceAi</span></a> <a href=\"https://pubeurope.com/tags/UnitedStates\" class=\"mention hashtag\" rel=\"tag\">#<span>UnitedStates</span></a> <a href=\"https://pubeurope.com/tags/UnitedStatesOfAmerica\" class=\"mention hashtag\" rel=\"tag\">#<span>UnitedStatesOfAmerica</span></a> <a href=\"https://pubeurope.com/tags/US\" class=\"mention hashtag\" rel=\"tag\">#<span>US</span></a> <a href=\"https://pubeurope.com/tags/USA\" class=\"mention hashtag\" rel=\"tag\">#<span>USA</span></a> <a href=\"https://pubeurope.com/tags/world\" class=\"mention hashtag\" rel=\"tag\">#<span>world</span></a> <a href=\"https://pubeurope.com/tags/YannLeCun\" class=\"mention hashtag\" rel=\"tag\">#<span>YannLeCun</span></a> <a href=\"https://pubeurope.com/tags/year\" class=\"mention hashtag\" rel=\"tag\">#<span>year</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.pubeurope.com/media_attachments/files/114/606/908/743/847/565/original/d7ab7b99a9b4fb80.jpeg", "name": "Meta's Yann LeCun: Nations Should Contribute to Shared Open-Source AI", "blurhash": "UH9@6Yxu0JE14.WC-;odxtaxRjoMo#bIaKn%", "width": 1200, "height": 600 } ], "tag": [ { "type": "Hashtag", "href": "https://pubeurope.com/tags/altman", "name": "#altman" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/america", "name": "#america" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/business", "name": "#business" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/businessinsider", "name": "#businessinsider" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/chiefaiscientist", "name": "#chiefaiscientist" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/closedloopsystem", "name": "#closedloopsystem" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/company", "name": "#company" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/country", "name": "#country" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/datum", "name": "#datum" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/humanknowledge", "name": "#humanknowledge" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/meta", "name": "#meta" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/regulation", "name": "#regulation" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/repository", "name": "#repository" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/sharedopensourceai", "name": "#sharedopensourceai" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/unitedstates", "name": "#unitedstates" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/unitedstatesofamerica", "name": "#unitedstatesofamerica" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/us", "name": "#us" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/usa", "name": "#usa" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/world", "name": "#world" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/yannlecun", "name": "#yannlecun" }, { "type": "Hashtag", "href": "https://pubeurope.com/tags/year", "name": "#year" } ], "replies": { "id": "https://pubeurope.com/users/europesays/statuses/114606908770919219/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://pubeurope.com/users/europesays/statuses/114606908770919219/replies?only_other_accounts=true&page=true", "partOf": "https://pubeurope.com/users/europesays/statuses/114606908770919219/replies", "items": [] } }, "likes": { "id": "https://pubeurope.com/users/europesays/statuses/114606908770919219/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://pubeurope.com/users/europesays/statuses/114606908770919219/shares", "type": "Collection", "totalItems": 2 } }