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/eswc_conf/statuses/114607193251040452", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-01T08:36:26Z", "url": "https://sigmoid.social/@eswc_conf/114607193251040452", "attributedTo": "https://sigmoid.social/users/eswc_conf", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sigmoid.social/users/eswc_conf/followers" ], "sensitive": false, "atomUri": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452", "inReplyToAtomUri": null, "conversation": "tag:sigmoid.social,2025-06-01:objectId=58966227:objectType=Conversation", "content": "<p>The first workshop day at <a href=\"https://sigmoid.social/tags/ESWC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>ESWC2025</span></a> kicks-off with a spectacular program. Have a look 😍🤓<br /><a href=\"https://2025.eswc-conferences.org/program-overview/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">2025.eswc-conferences.org/prog</span><span class=\"invisible\">ram-overview/</span></a></p><p><a href=\"https://sigmoid.social/tags/SeWeBMeDA2025\" class=\"mention hashtag\" rel=\"tag\">#<span>SeWeBMeDA2025</span></a> <a href=\"https://sigmoid.social/tags/SDS2025\" class=\"mention hashtag\" rel=\"tag\">#<span>SDS2025</span></a> <a href=\"https://sigmoid.social/tags/KGC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>KGC2025</span></a> <a href=\"https://sigmoid.social/tags/SemTech4STLD\" class=\"mention hashtag\" rel=\"tag\">#<span>SemTech4STLD</span></a> <a href=\"https://sigmoid.social/tags/Causal\" class=\"mention hashtag\" rel=\"tag\">#<span>Causal</span></a> NeSy <a href=\"https://sigmoid.social/tags/OPAL\" class=\"mention hashtag\" rel=\"tag\">#<span>OPAL</span></a> 2025 <a href=\"https://sigmoid.social/tags/KG4S2025\" class=\"mention hashtag\" rel=\"tag\">#<span>KG4S2025</span></a> <a href=\"https://sigmoid.social/tags/Challenge\" class=\"mention hashtag\" rel=\"tag\">#<span>Challenge</span></a> (BiKE &amp; Text2Sparql) <a href=\"https://sigmoid.social/tags/Tutorial\" class=\"mention hashtag\" rel=\"tag\">#<span>Tutorial</span></a></p>", "contentMap": { "en": "<p>The first workshop day at <a href=\"https://sigmoid.social/tags/ESWC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>ESWC2025</span></a> kicks-off with a spectacular program. Have a look 😍🤓<br /><a href=\"https://2025.eswc-conferences.org/program-overview/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">2025.eswc-conferences.org/prog</span><span class=\"invisible\">ram-overview/</span></a></p><p><a href=\"https://sigmoid.social/tags/SeWeBMeDA2025\" class=\"mention hashtag\" rel=\"tag\">#<span>SeWeBMeDA2025</span></a> <a href=\"https://sigmoid.social/tags/SDS2025\" class=\"mention hashtag\" rel=\"tag\">#<span>SDS2025</span></a> <a href=\"https://sigmoid.social/tags/KGC2025\" class=\"mention hashtag\" rel=\"tag\">#<span>KGC2025</span></a> <a href=\"https://sigmoid.social/tags/SemTech4STLD\" class=\"mention hashtag\" rel=\"tag\">#<span>SemTech4STLD</span></a> <a href=\"https://sigmoid.social/tags/Causal\" class=\"mention hashtag\" rel=\"tag\">#<span>Causal</span></a> NeSy <a href=\"https://sigmoid.social/tags/OPAL\" class=\"mention hashtag\" rel=\"tag\">#<span>OPAL</span></a> 2025 <a href=\"https://sigmoid.social/tags/KG4S2025\" class=\"mention hashtag\" rel=\"tag\">#<span>KG4S2025</span></a> <a href=\"https://sigmoid.social/tags/Challenge\" class=\"mention hashtag\" rel=\"tag\">#<span>Challenge</span></a> (BiKE &amp; Text2Sparql) <a href=\"https://sigmoid.social/tags/Tutorial\" class=\"mention hashtag\" rel=\"tag\">#<span>Tutorial</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://sigmoid.social/tags/eswc2025", "name": "#eswc2025" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/sewebmeda2025", "name": "#sewebmeda2025" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/sds2025", "name": "#sds2025" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/kgc2025", "name": "#kgc2025" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/semtech4stld", "name": "#semtech4stld" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/causal", "name": "#causal" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/opal", "name": "#opal" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/kg4s2025", "name": "#kg4s2025" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/challenge", "name": "#challenge" }, { "type": "Hashtag", "href": "https://sigmoid.social/tags/Tutorial", "name": "#Tutorial" } ], "replies": { "id": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452/replies?only_other_accounts=true&page=true", "partOf": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452/replies", "items": [] } }, "likes": { "id": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://sigmoid.social/users/eswc_conf/statuses/114607193251040452/shares", "type": "Collection", "totalItems": 0 } }