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://mstdn.social/users/dimsum/statuses/112597383269046990", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-06-11T09:55:20Z", "url": "https://mstdn.social/@dimsum/112597383269046990", "attributedTo": "https://mstdn.social/users/dimsum", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/dimsum/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/dimsum/statuses/112597383269046990", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2024-06-11:objectId=391185330:objectType=Conversation", "content": "<p>说说关于 <a href=\"https://mstdn.social/tags/%E5%85%83%E6%95%B0%E6%8D%AE\" class=\"mention hashtag\" rel=\"tag\">#<span>元数据</span></a> 的问题。</p><p>“元数据” <a href=\"https://mstdn.social/tags/Metadata\" class=\"mention hashtag\" rel=\"tag\">#<span>Metadata</span></a> 是关于数据的数据。一张照片可能包括上百项元数据,包括但不限于:拍摄设备型号、拍摄时间(包含时区信息)、拍摄位置、作者名字、最后修改时间、最后修改设备和最后修改软件等。</p><p>图一来自著名的中文媒体“端传媒”网站,使用元数据清理软件就会发现,这张图片包含80多项元数据,甚至有图片制作者的电脑用户名和文件夹结构(图二)。</p><p>无论个人还是机构,暴露这么多的 Metadata 都是很危险的事。新闻媒体机构可能经常收到吹哨人的爆料,如果不能妥善处理这些爆料文件,可能就会重演美国 Reality Winner (图三)案件的悲剧[1]。从事抗争的活动人士当然也应该重视 Metadata 数据泄漏问题,以便保护自己和团队。</p><p>⚠️ 郑重提醒:公开发布图片和PDF之前,或者与别人分享之前,一定要先清除 Metadata,否则可能会暴露许多个人设备信息甚至个人信息。</p><p>这个网页推荐不同操作系统平台的 Metadata 清理软件:<a href=\"https://yummydimsum.github.io/docs/07-data/metadata/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">yummydimsum.github.io/docs/07-</span><span class=\"invisible\">data/metadata/</span></a></p><p>----</p><p>[1]: <a href=\"https://en.wikipedia.org/wiki/Reality_Winner\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">en.wikipedia.org/wiki/Reality_</span><span class=\"invisible\">Winner</span></a></p>", "contentMap": { "zh": "<p>说说关于 <a href=\"https://mstdn.social/tags/%E5%85%83%E6%95%B0%E6%8D%AE\" class=\"mention hashtag\" rel=\"tag\">#<span>元数据</span></a> 的问题。</p><p>“元数据” <a href=\"https://mstdn.social/tags/Metadata\" class=\"mention hashtag\" rel=\"tag\">#<span>Metadata</span></a> 是关于数据的数据。一张照片可能包括上百项元数据,包括但不限于:拍摄设备型号、拍摄时间(包含时区信息)、拍摄位置、作者名字、最后修改时间、最后修改设备和最后修改软件等。</p><p>图一来自著名的中文媒体“端传媒”网站,使用元数据清理软件就会发现,这张图片包含80多项元数据,甚至有图片制作者的电脑用户名和文件夹结构(图二)。</p><p>无论个人还是机构,暴露这么多的 Metadata 都是很危险的事。新闻媒体机构可能经常收到吹哨人的爆料,如果不能妥善处理这些爆料文件,可能就会重演美国 Reality Winner (图三)案件的悲剧[1]。从事抗争的活动人士当然也应该重视 Metadata 数据泄漏问题,以便保护自己和团队。</p><p>⚠️ 郑重提醒:公开发布图片和PDF之前,或者与别人分享之前,一定要先清除 Metadata,否则可能会暴露许多个人设备信息甚至个人信息。</p><p>这个网页推荐不同操作系统平台的 Metadata 清理软件:<a href=\"https://yummydimsum.github.io/docs/07-data/metadata/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">yummydimsum.github.io/docs/07-</span><span class=\"invisible\">data/metadata/</span></a></p><p>----</p><p>[1]: <a href=\"https://en.wikipedia.org/wiki/Reality_Winner\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">en.wikipedia.org/wiki/Reality_</span><span class=\"invisible\">Winner</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mstdn.social/media_attachments/files/112/597/300/742/447/245/original/f0782c9d9407f5b3.jpg", "name": null, "blurhash": "UoJ[I@}Pxwo#zaneacjcjws:aKRPa#X7j]n,", "width": 1241, "height": 378 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.mstdn.social/media_attachments/files/112/597/303/346/924/244/original/153385c7005b12a8.png", "name": null, "blurhash": "U9R:HGof?b%M%MM{ofofD%j[xut7~qIUM{WB", "width": 876, "height": 300 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mstdn.social/media_attachments/files/112/597/381/759/481/853/original/3c67a2412ac1dfaa.jpg", "name": null, "blurhash": "UPCsaM%N9t$enhWBbwt70LWA-UNeOZoLrqR*", "width": 1427, "height": 2010 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/%E5%85%83%E6%95%B0%E6%8D%AE", "name": "#元数据" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/metadata", "name": "#metadata" } ], "replies": { "id": "https://mstdn.social/users/dimsum/statuses/112597383269046990/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/dimsum/statuses/112597383269046990/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/dimsum/statuses/112597383269046990/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/dimsum/statuses/112597383269046990/likes", "type": "Collection", "totalItems": 26 }, "shares": { "id": "https://mstdn.social/users/dimsum/statuses/112597383269046990/shares", "type": "Collection", "totalItems": 52 } }