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://mas.to/users/larsjuhljensen/statuses/114663499120838100", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-11T07:15:46Z", "url": "https://mas.to/@larsjuhljensen/114663499120838100", "attributedTo": "https://mas.to/users/larsjuhljensen", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/larsjuhljensen/followers" ], "sensitive": false, "atomUri": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-06-11:objectId=504188598:objectType=Conversation", "content": "<p>Conference Recap: Genomic Mechanisms of Disease<br /><a href=\"https://medium.com/@lars.juhl.jensen/conference-recap-genomic-mechanisms-of-disease-9e68443b21b5\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@lars.juhl.jensen/c</span><span class=\"invisible\">onference-recap-genomic-mechanisms-of-disease-9e68443b21b5</span></a><br /><a href=\"https://mas.to/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mas.to/tags/conference\" class=\"mention hashtag\" rel=\"tag\">#<span>conference</span></a> <a href=\"https://mas.to/tags/genetics\" class=\"mention hashtag\" rel=\"tag\">#<span>genetics</span></a> <a href=\"https://mas.to/tags/genomics\" class=\"mention hashtag\" rel=\"tag\">#<span>genomics</span></a> <a href=\"https://mas.to/tags/deeplearning\" class=\"mention hashtag\" rel=\"tag\">#<span>deeplearning</span></a></p>", "contentMap": { "en": "<p>Conference Recap: Genomic Mechanisms of Disease<br /><a href=\"https://medium.com/@lars.juhl.jensen/conference-recap-genomic-mechanisms-of-disease-9e68443b21b5\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@lars.juhl.jensen/c</span><span class=\"invisible\">onference-recap-genomic-mechanisms-of-disease-9e68443b21b5</span></a><br /><a href=\"https://mas.to/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mas.to/tags/conference\" class=\"mention hashtag\" rel=\"tag\">#<span>conference</span></a> <a href=\"https://mas.to/tags/genetics\" class=\"mention hashtag\" rel=\"tag\">#<span>genetics</span></a> <a href=\"https://mas.to/tags/genomics\" class=\"mention hashtag\" rel=\"tag\">#<span>genomics</span></a> <a href=\"https://mas.to/tags/deeplearning\" class=\"mention hashtag\" rel=\"tag\">#<span>deeplearning</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mas.to/tags/deeplearning", "name": "#deeplearning" }, { "type": "Hashtag", "href": "https://mas.to/tags/genomics", "name": "#genomics" }, { "type": "Hashtag", "href": "https://mas.to/tags/genetics", "name": "#genetics" }, { "type": "Hashtag", "href": "https://mas.to/tags/conference", "name": "#conference" }, { "type": "Hashtag", "href": "https://mas.to/tags/science", "name": "#science" } ], "replies": { "id": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mas.to/users/larsjuhljensen/statuses/114663499120838100/shares", "type": "Collection", "totalItems": 2 } }