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", "https://udongein.xyz/schemas/litepub-0.1.jsonld", { "@language": "und" } ], "actor": "https://udongein.xyz/users/lispi314", "attachment": [], "attributedTo": "https://udongein.xyz/users/lispi314", "cc": [ "https://udongein.xyz/users/lispi314/followers" ], "content": "<span class=\"h-card\"><a class=\"u-url mention\" data-user=\"APVjuIIJtry4IyqVJA\" href=\"https://hachyderm.io/@dalias\" rel=\"ugc\">@<span>dalias</span></a></span> <span class=\"h-card\"><a class=\"u-url mention\" data-user=\"APoaUOxPIYS7r7shQe\" href=\"https://mastodon.laurenweinstein.org/@lauren\" rel=\"ugc\">@<span>lauren</span></a></span> <span class=\"h-card\"><a class=\"u-url mention\" data-user=\"AHHAmqkhAhlJXOIkPg\" href=\"https://monocles.social/@monocles\" rel=\"ugc\">@<span>monocles</span></a></span> <span class=\"h-card\"><a class=\"u-url mention\" data-user=\"APjln7GjPlwKCiFMzQ\" href=\"https://mastodon.world/@signalapp\" rel=\"ugc\">@<span>signalapp</span></a></span> <span class=\"h-card\"><a class=\"u-url mention\" data-user=\"AeiUMk5zGiZnQeQIhU\" href=\"https://infosec.space/@kkarhan\" rel=\"ugc\">@<span>kkarhan</span></a></span> <span class=\"h-card\"><a class=\"u-url mention\" data-user=\"AkW50XjsFhnptIV2xc\" href=\"https://troet.cafe/@pixelschubsi\" rel=\"ugc\">@<span>pixelschubsi</span></a></span> Not that either <a class=\"hashtag\" data-tag=\"tor\" href=\"https://udongein.xyz/tag/tor\" rel=\"tag ugc\">#Tor</a> or <a class=\"hashtag\" data-tag=\"veilid\" href=\"https://udongein.xyz/tag/veilid\" rel=\"tag ugc\">#Veilid</a> (or <a class=\"hashtag\" data-tag=\"i2p\" href=\"https://udongein.xyz/tag/i2p\" rel=\"tag ugc\">#I2P</a>, for the closest similar network by design) are really all that resilient to malicious global observers with malicious nodes running timing analysis.<br><br>Batching, delays and cover traffic are varying degrees of unimplemented in all of those.<br><br>(And of course, even when implemented long-running always-available/low-latency services are subject to deanonymization by active interference and passive observation of downtime correlated with power outages &amp; natural disasters.)", "context": "tag:mastodon.laurenweinstein.org,2025-02-14:objectId=1460125:objectType=Conversation", "conversation": "tag:mastodon.laurenweinstein.org,2025-02-14:objectId=1460125:objectType=Conversation", "id": "https://udongein.xyz/objects/edb7dd9b-67e1-4cba-93ab-a7d387244f38", "inReplyTo": "https://hachyderm.io/users/dalias/statuses/113999864576778599", "published": "2025-02-14T02:33:54.055961Z", "sensitive": false, "source": { "content": "@dalias@hachyderm.io @lauren@mastodon.laurenweinstein.org @monocles@monocles.social @signalapp@mastodon.world @kkarhan@infosec.space @pixelschubsi@troet.cafe Not that either #Tor or #Veilid (or #I2P, for the closest similar network by design) are really all that resilient to malicious global observers with malicious nodes running timing analysis.\n\nBatching, delays and cover traffic are varying degrees of unimplemented in all of those.\n\n(And of course, even when implemented long-running always-available/low-latency services are subject to deanonymization by active interference and passive observation of downtime correlated with power outages & natural disasters.)", "mediaType": "text/plain" }, "summary": "", "tag": [ { "href": "https://udongein.xyz/tags/i2p", "name": "#i2p", "type": "Hashtag" }, { "href": "https://udongein.xyz/tags/tor", "name": "#tor", "type": "Hashtag" }, { "href": "https://udongein.xyz/tags/veilid", "name": "#veilid", "type": "Hashtag" }, { "href": "https://hachyderm.io/users/dalias", "name": "@dalias@hachyderm.io", "type": "Mention" }, { "href": "https://infosec.space/users/kkarhan", "name": "@kkarhan@infosec.space", "type": "Mention" }, { "href": "https://mastodon.laurenweinstein.org/users/lauren", "name": "@lauren@mastodon.laurenweinstein.org", "type": "Mention" }, { "href": "https://mastodon.world/users/signalapp", "name": "@signalapp@mastodon.world", "type": "Mention" }, { "href": "https://monocles.social/users/monocles", "name": "@monocles@monocles.social", "type": "Mention" }, { "href": "https://troet.cafe/users/pixelschubsi", "name": "@pixelschubsi@troet.cafe", "type": "Mention" } ], "to": [ "https://hachyderm.io/users/dalias", "https://www.w3.org/ns/activitystreams#Public", "https://infosec.space/users/kkarhan", "https://mastodon.laurenweinstein.org/users/lauren", "https://monocles.social/users/monocles", "https://troet.cafe/users/pixelschubsi", "https://mastodon.world/users/signalapp" ], "type": "Note" }