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.
{
"@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://mastodon-japan.net/users/JissoNews/statuses/114515576815110240",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-16T04:17:10Z",
"url": "https://mastodon-japan.net/@JissoNews/114515576815110240",
"attributedTo": "https://mastodon-japan.net/users/JissoNews",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon-japan.net/users/JissoNews/followers"
],
"sensitive": false,
"atomUri": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon-japan.net,2025-05-16:objectId=115374722:objectType=Conversation",
"content": "<p>6月1日(日)-6月30日(月)に、 日本表面真空学会は第79回表面科学基礎講座「表面・界面分析の基礎と応用」をオンライン開催 (Google Classroom)。40分〜100分の講義が16コマ。詳細は <a href=\"https://www.jvss.jp/jpn/activities/04/detail.php?eid=00024\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">jvss.jp/jpn/activities/04/deta</span><span class=\"invisible\">il.php?eid=00024</span></a> に。<br /> <a href=\"https://mastodon-japan.net/tags/Course\" class=\"mention hashtag\" rel=\"tag\">#<span>Course</span></a> <a href=\"https://mastodon-japan.net/tags/Surface\" class=\"mention hashtag\" rel=\"tag\">#<span>Surface</span></a> <a href=\"https://mastodon-japan.net/tags/Interface\" class=\"mention hashtag\" rel=\"tag\">#<span>Interface</span></a> <a href=\"https://mastodon-japan.net/tags/Analysis\" class=\"mention hashtag\" rel=\"tag\">#<span>Analysis</span></a></p>",
"contentMap": {
"ja": "<p>6月1日(日)-6月30日(月)に、 日本表面真空学会は第79回表面科学基礎講座「表面・界面分析の基礎と応用」をオンライン開催 (Google Classroom)。40分〜100分の講義が16コマ。詳細は <a href=\"https://www.jvss.jp/jpn/activities/04/detail.php?eid=00024\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">jvss.jp/jpn/activities/04/deta</span><span class=\"invisible\">il.php?eid=00024</span></a> に。<br /> <a href=\"https://mastodon-japan.net/tags/Course\" class=\"mention hashtag\" rel=\"tag\">#<span>Course</span></a> <a href=\"https://mastodon-japan.net/tags/Surface\" class=\"mention hashtag\" rel=\"tag\">#<span>Surface</span></a> <a href=\"https://mastodon-japan.net/tags/Interface\" class=\"mention hashtag\" rel=\"tag\">#<span>Interface</span></a> <a href=\"https://mastodon-japan.net/tags/Analysis\" class=\"mention hashtag\" rel=\"tag\">#<span>Analysis</span></a></p>"
},
"attachment": [
{
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"url": "https://files.mastodon-japan.net/media_attachments/files/114/515/576/672/913/199/original/d15b1e893d2d39a7.png",
"name": null,
"blurhash": "UJPZy38_4UIVVz~V$MxajYpcOEXS={KkI]S%",
"width": 815,
"height": 1024
},
{
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"name": null,
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},
{
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"url": "https://files.mastodon-japan.net/media_attachments/files/114/515/576/613/303/228/original/014cd3a52c66b1fa.png",
"name": null,
"blurhash": "UGRftc%2?b%M};a}t7oJ0,ofV@V@^IofofkC",
"width": 1003,
"height": 1260
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon-japan.net/tags/course",
"name": "#course"
},
{
"type": "Hashtag",
"href": "https://mastodon-japan.net/tags/surface",
"name": "#surface"
},
{
"type": "Hashtag",
"href": "https://mastodon-japan.net/tags/interface",
"name": "#interface"
},
{
"type": "Hashtag",
"href": "https://mastodon-japan.net/tags/analysis",
"name": "#analysis"
}
],
"replies": {
"id": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://mastodon-japan.net/users/JissoNews/statuses/114515576815110240/shares",
"type": "Collection",
"totalItems": 0
}
}