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" } } ], "id": "https://mathstodon.xyz/users/johndcook/outbox?page=true", "type": "OrderedCollectionPage", "next": "https://mathstodon.xyz/users/johndcook/outbox?max_id=113424753397169877&page=true", "prev": "https://mathstodon.xyz/users/johndcook/outbox?min_id=113534563175456566&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/outbox", "orderedItems": [ { "id": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-23T22:12:30Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-23T22:12:30Z", "url": "https://mathstodon.xyz/@johndcook/113534563175456566", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-23:objectId=125227721:objectType=Conversation", "content": "<p>Lissajous curves and knots</p><p><a href=\"https://www.johndcook.com/blog/2019/10/08/lissajous-curves-and-knots/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2019/10/08/</span><span class=\"invisible\">lissajous-curves-and-knots/</span></a></p>", "contentMap": { "en": "<p>Lissajous curves and knots</p><p><a href=\"https://www.johndcook.com/blog/2019/10/08/lissajous-curves-and-knots/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2019/10/08/</span><span class=\"invisible\">lissajous-curves-and-knots/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/webp", "url": "https://media.mathstodon.xyz/media_attachments/files/113/534/562/845/055/352/original/1dc236a1e6fcf0cf.webp", "name": null, "blurhash": "U0SijZ_359~q_NWVjb-p~qoL^+oM_3WCoM00", "width": 360, "height": 360 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113534563175456566/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-21T15:23:42Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-21T15:23:42Z", "url": "https://mathstodon.xyz/@johndcook/113521631083116243", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-21:objectId=124867735:objectType=Conversation", "content": "<p>This is hilarious.</p><p>RFK: America&#39;s version of Fruit Loops contains artificial ingredients not allowed in Canada.</p><p>NYT: No, they&#39;re both the same, except the American version contains red dye 40, yellow 5, blue 1, and butylated hydroxotoluene.</p>", "contentMap": { "en": "<p>This is hilarious.</p><p>RFK: America&#39;s version of Fruit Loops contains artificial ingredients not allowed in Canada.</p><p>NYT: No, they&#39;re both the same, except the American version contains red dye 40, yellow 5, blue 1, and butylated hydroxotoluene.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/521/630/515/313/560/original/485d3cf20a99fd92.png", "name": null, "blurhash": "U5RW0b9F~qIUWBofWBj[~qRjofRjofayayfQ", "width": 1199, "height": 502 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113521631083116243/shares", "type": "Collection", "totalItems": 1 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-20T18:09:46Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-20T18:09:46Z", "url": "https://mathstodon.xyz/@johndcook/113516621775739320", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-20:objectId=124725324:objectType=Conversation", "content": "<p>New post: Confidential OCR</p><p><a href=\"https://www.johndcook.com/blog/2024/11/20/confidential-ocr/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/20/</span><span class=\"invisible\">confidential-ocr/</span></a></p>", "contentMap": { "en": "<p>New post: Confidential OCR</p><p><a href=\"https://www.johndcook.com/blog/2024/11/20/confidential-ocr/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/20/</span><span class=\"invisible\">confidential-ocr/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/516/621/543/246/816/original/43d9070b8bd40877.jpg", "name": null, "blurhash": "URRyNjaex]j[of%#kCRP?^j[MdaeofIAaytR", "width": 1600, "height": 853 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113516621775739320/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-20T14:08:24Z", "to": [ "https://mathstodon.xyz/users/johndcook/followers" ], "cc": [ "https://www.w3.org/ns/activitystreams#Public", "https://mastodon.social/users/hktpe" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/hktpe/statuses/113504218041289482", "published": "2024-11-20T14:08:24Z", "url": "https://mathstodon.xyz/@johndcook/113515672650787532", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://mathstodon.xyz/users/johndcook/followers" ], "cc": [ "https://www.w3.org/ns/activitystreams#Public", "https://mastodon.social/users/hktpe" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532", "inReplyToAtomUri": "https://mastodon.social/users/hktpe/statuses/113504218041289482", "conversation": "tag:mathstodon.xyz,2024-11-18:objectId=124344790:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@hktpe\" class=\"u-url mention\">@<span>hktpe</span></a></span> I&#39;m using <a href=\"https://fed.brid.gy/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">fed.brid.gy/</span><span class=\"invisible\"></span></a>.</p><p>No, I&#39;m not cross posting to Mastodon from X.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@hktpe\" class=\"u-url mention\">@<span>hktpe</span></a></span> I&#39;m using <a href=\"https://fed.brid.gy/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">fed.brid.gy/</span><span class=\"invisible\"></span></a>.</p><p>No, I&#39;m not cross posting to Mastodon from X.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/hktpe", "name": "@hktpe@mastodon.social" } ], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515672650787532/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-20T12:43:29Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-20T12:43:29Z", "url": "https://mathstodon.xyz/@johndcook/113515338741341344", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-20:objectId=124678031:objectType=Conversation", "content": "<p>New post: Perfect numbers<br />Connections to Mersenne primes, triangular numbers, and binary sequences<br /><a href=\"https://www.johndcook.com/blog/2024/11/20/perfect-numbers/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/20/</span><span class=\"invisible\">perfect-numbers/</span></a></p>", "contentMap": { "en": "<p>New post: Perfect numbers<br />Connections to Mersenne primes, triangular numbers, and binary sequences<br /><a href=\"https://www.johndcook.com/blog/2024/11/20/perfect-numbers/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/20/</span><span class=\"invisible\">perfect-numbers/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113515338741341344/shares", "type": "Collection", "totalItems": 1 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-18T17:48:52Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-18T17:48:52Z", "url": "https://mathstodon.xyz/@johndcook/113505214978977215", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-18:objectId=124383400:objectType=Conversation", "content": "<p>A Disk Around Paris</p><p><a href=\"https://www.johndcook.com/blog/2023/11/01/a-disk-around-paris/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2023/11/01/</span><span class=\"invisible\">a-disk-around-paris/</span></a></p>", "contentMap": { "en": "<p>A Disk Around Paris</p><p><a href=\"https://www.johndcook.com/blog/2023/11/01/a-disk-around-paris/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2023/11/01/</span><span class=\"invisible\">a-disk-around-paris/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/505/214/685/127/641/original/070582230c4aaad5.png", "name": null, "blurhash": "UJM*p#It?c%0$0WCtSxW~9fP^*s,ESs-$xIt", "width": 480, "height": 244 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113505214978977215/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-18T13:19:35Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-18T13:19:35Z", "url": "https://mathstodon.xyz/@johndcook/113504156080706979", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-18:objectId=124344790:objectType=Conversation", "content": "<p>I&#39;ve set up the bridge from Mastodon to Bluesky.</p><p><a href=\"https://www.johndcook.com/blog/2024/11/18/bluesky-account/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/18/</span><span class=\"invisible\">bluesky-account/</span></a></p>", "contentMap": { "en": "<p>I&#39;ve set up the bridge from Mastodon to Bluesky.</p><p><a href=\"https://www.johndcook.com/blog/2024/11/18/bluesky-account/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/18/</span><span class=\"invisible\">bluesky-account/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113504156080706979/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-16T20:50:50Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-16T20:50:50Z", "url": "https://mathstodon.xyz/@johndcook/113494605873342258", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-16:objectId=124112701:objectType=Conversation", "content": "<p>The mathematics of GPS</p><p><a href=\"https://www.johndcook.com/blog/2024/11/16/the-mathematics-of-gps/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/16/</span><span class=\"invisible\">the-mathematics-of-gps/</span></a></p>", "contentMap": { "en": "<p>The mathematics of GPS</p><p><a href=\"https://www.johndcook.com/blog/2024/11/16/the-mathematics-of-gps/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/16/</span><span class=\"invisible\">the-mathematics-of-gps/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/likes", "type": "Collection", "totalItems": 6 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113494605873342258/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113487187237258744/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-15T13:24:11Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113487187237258744", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-15T13:24:11Z", "url": "https://mathstodon.xyz/@johndcook/113487187237258744", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113487187237258744", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-15:objectId=123897901:objectType=Conversation", "content": "<p>GPS satellite orbits</p><p><a href=\"https://www.johndcook.com/blog/2024/11/15/gps-satellite-orbits/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/15/</span><span class=\"invisible\">gps-satellite-orbits/</span></a></p>", "contentMap": { "en": "<p>GPS satellite orbits</p><p><a href=\"https://www.johndcook.com/blog/2024/11/15/gps-satellite-orbits/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/15/</span><span class=\"invisible\">gps-satellite-orbits/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/487/185/546/810/690/original/872b22ee51d0e887.jpg", "name": "Artists image of a GPS satellite", "blurhash": "UA8EMa?HNF4-#Q?dtSRh9tInw]-q4-9DkE%O", "focalPoint": [ 0, 0 ], "width": 1600, "height": 956 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113487187237258744/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113487187237258744/replies?only_other_accounts=true&page=true", "partOf": 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"https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113481115194954291", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-14:objectId=123711875:objectType=Conversation", "content": "<p>Ramanujan&#39;s master theorem</p><p><a href=\"https://www.johndcook.com/blog/2024/11/14/ramanujans-master-theorem/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/14/</span><span class=\"invisible\">ramanujans-master-theorem/</span></a></p>", "contentMap": { "en": "<p>Ramanujan&#39;s master theorem</p><p><a href=\"https://www.johndcook.com/blog/2024/11/14/ramanujans-master-theorem/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/14/</span><span class=\"invisible\">ramanujans-master-theorem/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/481/112/774/658/348/original/143c2735abe3b1cf.jpg", "name": "Ramanujan's passport photo from 1913", "blurhash": "USG[[{Rj~qayRjayt7ay_3fQRjofIUWBayof", "focalPoint": [ 0, 0 ], "width": 400, "height": 534 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113481115194954291/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113481115194954291/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113481115194954291/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113481115194954291/likes", "type": "Collection", "totalItems": 2 }, 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"conversation": "tag:mathstodon.xyz,2024-11-12:objectId=123464849:objectType=Conversation", "content": "<p>How to write a linear combination of sine and cosine as a single sine with a phase shift</p><p><a href=\"https://www.johndcook.com/blog/2024/11/12/sin-cos-phase/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/12/</span><span class=\"invisible\">sin-cos-phase/</span></a></p>", "contentMap": { "en": "<p>How to write a linear combination of sine and cosine as a single sine with a phase shift</p><p><a href=\"https://www.johndcook.com/blog/2024/11/12/sin-cos-phase/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/12/</span><span class=\"invisible\">sin-cos-phase/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/472/104/003/026/888/original/2a8e5d3cc22ab6a4.png", "name": null, "blurhash": "U2S~x4j]Rjog%ME0D#-q_MNFWBIm%M%Kg4Io", "width": 575, "height": 350 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113472104205387193/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113472104205387193/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113472104205387193/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113472104205387193/likes", "type": "Collection", "totalItems": 6 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113472104205387193/shares", "type": "Collection", "totalItems": 2 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113471170134245714/activity", "type": "Announce", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-12T17:30:49Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.jvns.ca/users/b0rk", "https://mathstodon.xyz/users/johndcook/followers" ], "object": "https://social.jvns.ca/users/b0rk/statuses/113470991407690701" }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113460040114068312/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-10T18:20:19Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113460040114068312", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-10T18:20:19Z", "url": "https://mathstodon.xyz/@johndcook/113460040114068312", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113460040114068312", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-10:objectId=123118350:objectType=Conversation", "content": "<p>Just posted my latest newsletter:</p><p>The postage stamp problem<br />The time-traveling professor<br />Real world data<br />Fourier notes</p><p><a href=\"https://open.substack.com/pub/johndcookconsulting/p/the-stamp-problem-and-the-time-traveling\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.substack.com/pub/johndcoo</span><span class=\"invisible\">kconsulting/p/the-stamp-problem-and-the-time-traveling</span></a></p>", "contentMap": { "en": "<p>Just posted my latest newsletter:</p><p>The postage stamp problem<br />The time-traveling professor<br />Real world data<br />Fourier notes</p><p><a href=\"https://open.substack.com/pub/johndcookconsulting/p/the-stamp-problem-and-the-time-traveling\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.substack.com/pub/johndcoo</span><span class=\"invisible\">kconsulting/p/the-stamp-problem-and-the-time-traveling</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/460/036/440/742/640/original/8e6cbeeb543d36e2.png", "name": "5 and 21 cent stamps", "blurhash": "UlQS}4nN.8S%ayj[j[ay_NX9IUr=j]ayayj[", "focalPoint": [ 0, 0 ], "width": 1200, "height": 734 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113460040114068312/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113460040114068312/replies?only_other_accounts=true&page=true", "partOf": 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"https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-10:objectId=123070153:objectType=Conversation", "content": "<p>New post: Impersonating an Edwardian math professor</p><p><a href=\"https://www.johndcook.com/blog/2024/11/10/edwardian-math-prof/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/10/</span><span class=\"invisible\">edwardian-math-prof/</span></a></p>", "contentMap": { "en": "<p>New post: Impersonating an Edwardian math professor</p><p><a href=\"https://www.johndcook.com/blog/2024/11/10/edwardian-math-prof/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/10/</span><span class=\"invisible\">edwardian-math-prof/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/458/432/705/001/775/original/6a8ce3d8d5117e9b.jpg", "name": "Photo of Gottleib Frege (1848 – 1925)", "blurhash": "UdNmvNay~pj[_3ayRjj[-;WBIos:D*ofofWB", "focalPoint": [ 0, 0 ], "width": 458, "height": 462 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113458436700001520/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-05T21:41:41Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-05T21:41:41Z", "url": "https://mathstodon.xyz/@johndcook/113432520402870160", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-05:objectId=122294802:objectType=Conversation", "content": "<p>Latest newsletter: Jigsaw puzzles, trig interpolation, and Copernicus</p><p>Summary of latest four posts: one computational, two mathematical, and one philosophical</p><p><a href=\"https://open.substack.com/pub/johndcookconsulting/p/jigsaw-puzzles-trig-interpolation\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.substack.com/pub/johndcoo</span><span class=\"invisible\">kconsulting/p/jigsaw-puzzles-trig-interpolation</span></a></p>", "contentMap": { "en": "<p>Latest newsletter: Jigsaw puzzles, trig interpolation, and Copernicus</p><p>Summary of latest four posts: one computational, two mathematical, and one philosophical</p><p><a href=\"https://open.substack.com/pub/johndcookconsulting/p/jigsaw-puzzles-trig-interpolation\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">open.substack.com/pub/johndcoo</span><span class=\"invisible\">kconsulting/p/jigsaw-puzzles-trig-interpolation</span></a></p>" }, "updated": "2024-11-05T21:42:36Z", "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/432/521/997/355/765/original/aa42516e89345e26.jpg", "name": "Jigsaw puzzle pieces and an hourglass", "blurhash": "UBE2^5?aH@Rj01IUM{jYn%-os:RjSiWCRjWX", "focalPoint": [ 0, 0 ], "width": 516, "height": 424 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113432520402870160/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-05T17:56:38Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-05T17:56:38Z", "url": "https://mathstodon.xyz/@johndcook/113431635447028223", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-05:objectId=122256555:objectType=Conversation", "content": "<p>New post: Trigonometric interpolation</p><p><a href=\"https://www.johndcook.com/blog/2024/11/05/trigonometric-interpolation/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/05/</span><span class=\"invisible\">trigonometric-interpolation/</span></a></p>", "contentMap": { "en": "<p>New post: Trigonometric interpolation</p><p><a href=\"https://www.johndcook.com/blog/2024/11/05/trigonometric-interpolation/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/05/</span><span class=\"invisible\">trigonometric-interpolation/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/431/635/234/480/694/original/cce76eb428a36152.png", "name": null, "blurhash": "U1T9L#%MRix]_3xuM{WBMxWXxvt7tSRj%2t6", "width": 640, "height": 480 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113431635447028223/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-05T03:19:18Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-05T03:19:18Z", "url": "https://mathstodon.xyz/@johndcook/113428185655173597", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-05:objectId=122152021:objectType=Conversation", "content": "<p>New post: Moments with Laplace</p><p>Connecting two recent posts.</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/moments-with-laplace/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">moments-with-laplace/</span></a></p>", "contentMap": { "en": "<p>New post: Moments with Laplace</p><p>Connecting two recent posts.</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/moments-with-laplace/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">moments-with-laplace/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113428185655173597/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-04T19:09:03Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers", "https://mathstodon.xyz/users/ProfKinyon" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418", "type": "Note", "summary": null, "inReplyTo": "https://mathstodon.xyz/users/ProfKinyon/statuses/113425345503766535", "published": "2024-11-04T19:09:03Z", "url": "https://mathstodon.xyz/@johndcook/113426257896807418", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers", "https://mathstodon.xyz/users/ProfKinyon" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418", "inReplyToAtomUri": "https://mathstodon.xyz/users/ProfKinyon/statuses/113425345503766535", "conversation": "tag:mathstodon.xyz,2024-11-04:objectId=122038102:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@ProfKinyon\" class=\"u-url mention\">@<span>ProfKinyon</span></a></span> oops. </p><p>x^n f(x)</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mathstodon.xyz/@ProfKinyon\" class=\"u-url mention\">@<span>ProfKinyon</span></a></span> oops. </p><p>x^n f(x)</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mathstodon.xyz/users/ProfKinyon", "name": "@ProfKinyon" } ], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113426257896807418/shares", "type": "Collection", "totalItems": 0 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-04T18:01:07Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-04T18:01:07Z", "url": "https://mathstodon.xyz/@johndcook/113425990790463263", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-04:objectId=122083881:objectType=Conversation", "content": "<p>Jigsaw puzzles, SAT solvers, NP, and quantum</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/the-impossible-puzzle/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">the-impossible-puzzle/</span></a></p>", "contentMap": { "en": "<p>Jigsaw puzzles, SAT solvers, NP, and quantum</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/the-impossible-puzzle/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">the-impossible-puzzle/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/425/990/545/949/700/original/a656070521567126.jpg", "name": null, "blurhash": "U8Dc8a~o4Ts901VYxD%2w^?G%LoJ%M%Ls,ax", "width": 800, "height": 457 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113425990790463263/shares", "type": "Collection", "totalItems": 1 } } }, { "id": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/activity", "type": "Create", "actor": "https://mathstodon.xyz/users/johndcook", "published": "2024-11-04T12:46:26Z", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "object": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-04T12:46:26Z", "url": "https://mathstodon.xyz/@johndcook/113424753397169877", "attributedTo": "https://mathstodon.xyz/users/johndcook", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/johndcook/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-11-04:objectId=122038102:objectType=Conversation", "content": "<p>When do moments determine a function?</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/moment-problem/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">moment-problem/</span></a></p>", "contentMap": { "en": "<p>When do moments determine a function?</p><p><a href=\"https://www.johndcook.com/blog/2024/11/04/moment-problem/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">johndcook.com/blog/2024/11/04/</span><span class=\"invisible\">moment-problem/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.mathstodon.xyz/media_attachments/files/113/424/753/192/212/362/original/eb772ac27164574e.jpg", "name": null, "blurhash": "UfHn~MIUIUoJ.AInM{az?HNGRkoJ%LWEj=WB", "width": 1024, "height": 768 } ], "tag": [], "replies": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mathstodon.xyz/users/johndcook/statuses/113424753397169877/shares", "type": "Collection", "totalItems": 0 } } } ] }