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://mastodon.social/users/alexzap/statuses/113250002439403659", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-10-04T16:04:58Z", "url": "https://mastodon.social/@alexzap/113250002439403659", "attributedTo": "https://mastodon.social/users/alexzap", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/alexzap/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/alexzap/statuses/113250002439403659", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-10-04:objectId=814608270:objectType=Conversation", "content": "<p><a href=\"https://mastodon.social/tags/machinelearning\" class=\"mention hashtag\" rel=\"tag\">#<span>machinelearning</span></a> <a href=\"https://mastodon.social/tags/python\" class=\"mention hashtag\" rel=\"tag\">#<span>python</span></a> <a href=\"https://mastodon.social/tags/datascience\" class=\"mention hashtag\" rel=\"tag\">#<span>datascience</span></a> <a href=\"https://mastodon.social/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mastodon.social/tags/technology\" class=\"mention hashtag\" rel=\"tag\">#<span>technology</span></a><br /><a href=\"https://mastodon.social/tags/stockmarket\" class=\"mention hashtag\" rel=\"tag\">#<span>stockmarket</span></a> <br /><a href=\"https://mastodon.social/tags/prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>prediction</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/optimization\" class=\"mention hashtag\" rel=\"tag\">#<span>optimization</span></a></p><p>Sensitivity Analysis of Two Noise Covariances in Kalman Filtering for Robust Big Tech Price Prediction &amp; Error Control<br /> </p><p><a href=\"https://mastodon.social/tags/exploremore\" class=\"mention hashtag\" rel=\"tag\">#<span>exploremore</span></a> <a href=\"https://mastodon.social/tags/blog\" class=\"mention hashtag\" rel=\"tag\">#<span>blog</span></a> 👇 <br /><a href=\"https://medium.com/@alexzap922/sensitivity-analysis-of-two-noise-covariances-in-kalman-filtering-for-robust-big-tech-price-71af27ad54b5?sk=96a499f4f721c46be978f21f162ef5f2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@alexzap922/sensiti</span><span class=\"invisible\">vity-analysis-of-two-noise-covariances-in-kalman-filtering-for-robust-big-tech-price-71af27ad54b5?sk=96a499f4f721c46be978f21f162ef5f2</span></a></p>", "contentMap": { "en": "<p><a href=\"https://mastodon.social/tags/machinelearning\" class=\"mention hashtag\" rel=\"tag\">#<span>machinelearning</span></a> <a href=\"https://mastodon.social/tags/python\" class=\"mention hashtag\" rel=\"tag\">#<span>python</span></a> <a href=\"https://mastodon.social/tags/datascience\" class=\"mention hashtag\" rel=\"tag\">#<span>datascience</span></a> <a href=\"https://mastodon.social/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mastodon.social/tags/technology\" class=\"mention hashtag\" rel=\"tag\">#<span>technology</span></a><br /><a href=\"https://mastodon.social/tags/stockmarket\" class=\"mention hashtag\" rel=\"tag\">#<span>stockmarket</span></a> <br /><a href=\"https://mastodon.social/tags/prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>prediction</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/optimization\" class=\"mention hashtag\" rel=\"tag\">#<span>optimization</span></a></p><p>Sensitivity Analysis of Two Noise Covariances in Kalman Filtering for Robust Big Tech Price Prediction &amp; Error Control<br /> </p><p><a href=\"https://mastodon.social/tags/exploremore\" class=\"mention hashtag\" rel=\"tag\">#<span>exploremore</span></a> <a href=\"https://mastodon.social/tags/blog\" class=\"mention hashtag\" rel=\"tag\">#<span>blog</span></a> 👇 <br /><a href=\"https://medium.com/@alexzap922/sensitivity-analysis-of-two-noise-covariances-in-kalman-filtering-for-robust-big-tech-price-71af27ad54b5?sk=96a499f4f721c46be978f21f162ef5f2\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">medium.com/@alexzap922/sensiti</span><span class=\"invisible\">vity-analysis-of-two-noise-covariances-in-kalman-filtering-for-robust-big-tech-price-71af27ad54b5?sk=96a499f4f721c46be978f21f162ef5f2</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/113/249/990/968/181/116/original/b026a789d1e974c2.png", "name": "Incorporating the Q-R noise covariance sensitivity analysis into the concepts of state space models and Kalman filtering (KF) for robust big tech price prediction and error control", "blurhash": "U8S6MdkV_3-q}]J5X8R6xGtlxu?G.RWa$*t2", "focalPoint": [ 0, 0 ], "width": 635, "height": 457 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/machinelearning", "name": "#machinelearning" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/datascience", "name": "#datascience" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tech", "name": "#tech" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/technology", "name": "#technology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/stockmarket", "name": "#stockmarket" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/prediction", "name": "#prediction" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/filter", "name": "#filter" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/optimization", "name": "#optimization" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/exploremore", "name": "#exploremore" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/blog", "name": "#blog" } ], "replies": { "id": "https://mastodon.social/users/alexzap/statuses/113250002439403659/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/alexzap/statuses/113250002439403659/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/alexzap/statuses/113250002439403659/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/alexzap/statuses/113250002439403659/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.social/users/alexzap/statuses/113250002439403659/shares", "type": "Collection", "totalItems": 8 } }