{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-03-10 03:04:03.489Z","domain":"mathstodon.xyz","followerCount":41,"followers":"https://mathstodon.xyz/users/bradheintz/followers","following":"https://mathstodon.xyz/users/bradheintz/following","followingCount":52,"icon":"https://media.mathstodon.xyz/accounts/avatars/112/567/995/776/808/451/original/84b6e793028f3655.png","id":"aciibipo5vpzral","inbox":"https://mathstodon.xyz/users/bradheintz/inbox","iri":"https://mathstodon.xyz/users/bradheintz","isLocal":false,"last_fetched":"2026-06-12 14:24:49.641Z","outbox":"https://mathstodon.xyz/users/bradheintz/outbox","preferred_username":"bradheintz","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArF+Ac8TIpozpprjjf8Wu\nBYcVN/MuwZzpDhVgdl2ncbSz9zmfaVEadFRpPWZRa0N2l0xQl339R3jxYLIRQqek\nGSNPWnnpImH47A/22YjS38NJweCA2ntPHSlIYc2l8L6rHgoQnvA43vWqpaJNSh5Z\nlpXlB0i+JukAWtC31Vo4xdZY6h/ae/GyJD+hMkilRm633nLT+BwZq9XF+YeNCc/d\nH8iD9qGPQlSF7J/nyLrVRvt0UPkwjPP1Pgax/mqVF0zi6Kv7M043HI3reExGuJvj\nvwUj+sVub1uca+4bD9tlgSItTFgOKjY1jtE7U17S9fR5FGKOOeeqrCBBGPRkcG4/\nnQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2024-06-06 00:00:00.000Z","summary":"

Masters student in Mathematics at Indiana State University. In my 50s. 30 years of experience as a software engineer. My mathematical interests are primarily in number theory and its modern subfields, but my tastes are broadening the more I learn.

BLM. Trans rights are human rights. Vaccines work. None of these things are controversial among decent people.

","updated":"2026-06-12 14:24:49.642Z","user":"","username":"Brad Heintz"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-04 15:01:16.512Z","domain":"mathstodon.xyz","followerCount":131,"followers":"https://mathstodon.xyz/users/tonwood/followers","following":"https://mathstodon.xyz/users/tonwood/following","followingCount":556,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/537/695/777/372/471/original/c0935b1068023c16.png","id":"glg4fm5e749lrq0","inbox":"https://mathstodon.xyz/users/tonwood/inbox","iri":"https://mathstodon.xyz/users/tonwood","isLocal":false,"last_fetched":"2026-06-12 13:00:27.012Z","outbox":"https://mathstodon.xyz/users/tonwood/outbox","preferred_username":"tonwood","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2vNlphvsJUDszT7Wwmwt\nzmUlt+oU+CYiK894lS3RwroWKLvo/QcyE9jRD+DzvI1poOe5pLIRWXH/8sxO6uSd\nRyHbcUPa2ytSxp6dXyTWB1L80EKJ4otUqYzMSykgruBin9GxNVJfmEDZ1SOAS4Cd\n2Cz44I4CNqx8ZTUKjzTRKoWaXu+CBLWUVgycVdTp/SFHh0XUZ6sZmjRqt21vRsFd\nLeha2sBYypuCd92evrWl5FvUEvpS0RG/AG6qQ0rKiiY6AjdVGf9g2vyswgVoUqtX\nn6Zt0ZKCY2FWKOZ8ZGkTTHXSurIpwmPEZzLg9xcctKFFngJFmxXNWULYa7k40xg1\nFwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-19 00:00:00.000Z","summary":"

https://bendwavy.org/
https://en.wikipedia.org/wiki/User:Antonissimo
https://stackexchange.com/users/6700343/anton-sherwood
https://tldr.nettime.org/@tonwood
https://qoto.org/@tonwood
https://twitter.com/bendwavy
https://bsky.app/profile/ansher.bsky.social

","updated":"2026-06-12 13:00:27.015Z","user":"","username":"Anton Sherwood"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-02 18:52:30.513Z","domain":"mathstodon.xyz","followerCount":299,"followers":"https://mathstodon.xyz/users/maxpool/followers","following":"https://mathstodon.xyz/users/maxpool/following","followingCount":293,"icon":"https://media.mathstodon.xyz/accounts/avatars/109/288/373/216/258/009/original/83835b2b9f3d3870.png","id":"36wy7lcycst36tz","inbox":"https://mathstodon.xyz/users/maxpool/inbox","iri":"https://mathstodon.xyz/users/maxpool","isLocal":false,"last_fetched":"2026-06-12 14:24:49.712Z","outbox":"https://mathstodon.xyz/users/maxpool/outbox","preferred_username":"maxpool","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6IugHuGkRYFi4u1J3D9i\nxcyb4rycMG/2XHvu+GhfxgRApvI9F5xRZb9o2B9UaAUIGo6hTg9yZ1IpDi94mL84\nK+xcpQ20CH8fusxEc1THB0oq/ER2zBFbsaYSTv0NXgHJN9E6VtGyEdvVyRMlcKzg\nH8uv7LXgKRx5gvRzmkKbLVmfzxbapzfEBehn0Db41xkzq1wcKA8rrIeWhwsSNpH9\nb2QGdQlmTGY0Se3ruo4vkpS5Kep71RQyhw8f6IZzUo+wP5sQ/zZhERH06NpOoal6\nxvwbBk5gaJOvjWjemZwCKK9DeIWP5lI0sQI2pDJtLmWnahmohviIe4c9qQdRzefc\n9QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-05 00:00:00.000Z","summary":"

Question: How many people like me does it take to screw in a light bulb?
Answer: 0.9967±0.004 (after six iterations).

","updated":"2026-06-12 14:24:49.712Z","user":"","username":"ma𝕏pool"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-29 21:05:20.354Z","domain":"masto.machlis.com","followerCount":3162,"followers":"https://masto.machlis.com/users/smach/followers","following":"https://masto.machlis.com/users/smach/following","followingCount":496,"icon":"https://cdn.masto.host/mastomachliscom/accounts/avatars/110/624/892/201/461/660/original/274126b8db932ae8.jpg","id":"vlzsg7r8sfe2u70","inbox":"https://masto.machlis.com/users/smach/inbox","iri":"https://masto.machlis.com/users/smach","isLocal":false,"last_fetched":"2026-06-12 14:24:49.971Z","outbox":"https://masto.machlis.com/users/smach/outbox","preferred_username":"smach","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt2kxGE4DiBehCx1zWOoW\nA7wNGsXOSC7O/tuQB5UY8qa6WXPnKmWH2lYmMbr7wlZZFNynyvAjxvuxXUGCJ2sU\nvLd+3u8KNAvAlDvX26FYCdw52+5Cr49bOGxdoCLphvSGEDZGDg0HpFSti/64D3Nu\n72vU004qtnqp1z3C3OB8fJi01m/VFtX1BTkuVPVHBgC5x/gNdwRBrxjCQo3ishZA\nVAUyigWB9j6AcCG4itoZG0rU7L/D9wUDWhk8dEVyJhVTkJxqgDoifrX2SpTfYuYs\nKIztXgdAXrfUgxcHRZWIEjfMLLhxW0BRnubrB+YAZEeTYhSs3tkH4vScQgQjyf9G\n+QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-06-29 00:00:00.000Z","summary":"

Author of Practical R for Mass Communication & Journalism
Still ❤️ R after all these years #RStats
Bluesky @smachlis.bsky.social
Can't imagine life without writing
Having fun with #GenAI
Learning #ASL
(Mostly) retired after a long career as a tech journalist. Eagerly exploring my next chapter.
Passionate about vibrant aging
Other interests: #Photography #DigitialDarkroom #Running #Bicycling #Crochet Pedestrian/bike-friendly cities
#NoBridge

","updated":"2026-06-12 14:24:49.971Z","user":"","username":"Sharon Machlis"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-29 02:46:54.994Z","domain":"mathstodon.xyz","followerCount":815,"followers":"https://mathstodon.xyz/users/egbertrijke/followers","following":"https://mathstodon.xyz/users/egbertrijke/following","followingCount":123,"icon":"https://media.mathstodon.xyz/accounts/avatars/108/205/861/594/572/249/original/49459bada3e6aa54.png","id":"tbqhp4ky1haw3z5","inbox":"https://mathstodon.xyz/users/egbertrijke/inbox","iri":"https://mathstodon.xyz/users/egbertrijke","isLocal":false,"last_fetched":"2026-06-12 14:24:50.019Z","outbox":"https://mathstodon.xyz/users/egbertrijke/outbox","preferred_username":"egbertrijke","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvAgZoSqtXkjGmyD7Ytmx\nyqt+jayq8iBW1nTFUPafGrUpRPZ5Cphbon2OCwObFHgZjBh6mXwiMMdqSN2Wf20u\nBOmqgWz/rmYSHLINXWwSq3iT4ctv9Um7tl9afA18HedUq8wiRcDVpQwXkCJNw1x9\n024zznyGjgP16EHN5hbmCOMtdqxeqo54zmPrecWXcXuQ5Oj6OdJ9zBauxrdHP3p4\nE7ebZrkA2keIFFxQkR3GdoxMuKGbvXzS0MWAHN4EgkE4YDyKcVxgzjUblsLVv81A\nLXMb/wflz+LCDlZWMtCD4myCD2fQTQY63RkGgpTq9ZFXEitqkBQjA0oSkDA0gazy\nawIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-27 00:00:00.000Z","summary":"

Postdoc at Johns Hopkins formalizing mathematics

","updated":"2026-06-12 14:24:50.020Z","user":"","username":"Egbert Rijke"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-28 07:15:55.066Z","domain":"stefanbohacek.online","followerCount":1317,"followers":"https://stefanbohacek.online/users/roots/followers","following":"https://stefanbohacek.online/users/roots/following","followingCount":2,"icon":"https://sbonline.nyc3.digitaloceanspaces.com/accounts/avatars/115/232/417/974/472/890/original/eaeef080cb4a79b0.jpeg","id":"3d3gmuaf9862hdz","inbox":"https://stefanbohacek.online/users/roots/inbox","iri":"https://stefanbohacek.online/users/roots","isLocal":false,"last_fetched":"2026-06-12 12:48:24.869Z","outbox":"https://stefanbohacek.online/users/roots/outbox","preferred_username":"roots","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsgrC+QFAE6Lg0At770s4\nQY5cnqHfZAtpAxgAz7sVBvqHLEBhhXqM6Jo5arz2U/clrCinLJDiHzZeuQFZtaDB\nze5/T8kNfaMBCvjI71sJuhYq7vecPo7U/DuJfdFb7yXHslgWLOj42cl/18kyV3Tv\nkDiUehpOzwDoIJgqUazucjDs5zhDNSX/saG5+f7eeV+csN1NmcN4nNIXsmnWi19l\nY03/iHE/F1sIkbJZI3yO0WUU0MNSpyouZNX/ub9NYLrHlGINMCWsZTjQtY9TgeYA\nB7YaIju9dY0psz5/M3FsOw6RmWmfSS3gqpyREk3SUiiyaGnQoMcEZ0XXroTLWlC5\nHwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2025-09-19 00:00:00.000Z","summary":"

Posting images from Wageningen University's online archive of 1,180 root system drawings.

"The outcome of 40 years of root system excavations in Europe."

https://www.openculture.com/2022/01/1100-delicate-drawings-of-root-systems-reveals-the-hidden-world-of-plants.html

Shout-out to @liaizon for the idea.

","updated":"2026-06-12 12:48:24.870Z","user":"","username":"Roots"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-06 06:02:30.812Z","domain":"mathstodon.xyz","followerCount":13,"followers":"https://mathstodon.xyz/users/maybe_algebraiclogic/followers","following":"https://mathstodon.xyz/users/maybe_algebraiclogic/following","followingCount":75,"icon":"https://media.mathstodon.xyz/accounts/avatars/114/177/543/775/635/754/original/550f167fa5df0102.png","id":"2qoi0wp5vbdap4j","inbox":"https://mathstodon.xyz/users/maybe_algebraiclogic/inbox","iri":"https://mathstodon.xyz/users/maybe_algebraiclogic","isLocal":false,"last_fetched":"2026-06-12 14:24:50.211Z","outbox":"https://mathstodon.xyz/users/maybe_algebraiclogic/outbox","preferred_username":"maybe_algebraiclogic","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2LUXytO2kzpdh4OGujfo\nF8PX2tS3d2mDHrtMITJXOlVxvbzxoNDD5/4h9K1cCZ21J1yr9PK2B/dRlcqKzuDB\ncO5TQfxkmo4TRxG2HOxJudQXiE0P+rJzrCmGeDm+/fqkGKnrVbwRLTMidmIUz+7o\nFLem2kgvJOlLhC1FEZrRq+7x+7Sm4EiuOKX9EeGPg36fqtPZvMOO1c6zCIKT1LkJ\n3FGfBBQTd2MPlr9ZBu7aZVBa8M4somGMMyyPMo0D3sIKIAgMkhBi88pW/rIJBR8n\nic6LaflRSFo4Sfi/SRdCdBU3wnGg4ghyV36SLBJ4U44QuzgDkUkG/pjxYX9hs3E2\nKQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2025-03-17 00:00:00.000Z","summary":"

Interested in algebra, logic, and universal algebra

","updated":"2026-06-12 14:24:50.212Z","user":"","username":"AlgebraicLogic"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-22 03:56:27.108Z","domain":"mathstodon.xyz","followerCount":209,"followers":"https://mathstodon.xyz/users/leonardopacheco/followers","following":"https://mathstodon.xyz/users/leonardopacheco/following","followingCount":99,"icon":"https://media.mathstodon.xyz/accounts/avatars/000/288/993/original/2ade7e7cd703101e.jpeg","id":"jzom70funlc99i6","inbox":"https://mathstodon.xyz/users/leonardopacheco/inbox","iri":"https://mathstodon.xyz/users/leonardopacheco","isLocal":false,"last_fetched":"2026-06-12 13:05:47.727Z","outbox":"https://mathstodon.xyz/users/leonardopacheco/outbox","preferred_username":"leonardopacheco","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEH/Z9cgYlWoIOWF51GX\nXFQfdFCZbvVBf4AYhBjWrcyutHtwNWg69xQSDaJArpOv4itJExu9gfgNJ8G3xiOz\nVbTTb+NUJMOEkhYQbCSWAmvtN1rUkGu7P1f+8LrWnsUa5xS/hcajvLlPrlWTGjhd\njm61Q6lSk+s9GCLgpjTr17dW0IoTC5y2IIskTLG/CIKBadPoUvgLgNnpY8khs5CH\nDD+YSikdzpYa2/68HdmgYKpt95+UwJYo3MnZfKQL8CZuTXTTJcTBAajZ+WnSXsxv\nLuJgnsRqGbWJ9IGiRnR7Sj4tSUEOCtKzVV2xlBzCwhhoo/fxym/F1eLKql5Qae8I\nuQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-26 00:00:00.000Z","summary":"

(I'm not active on Mathstodon recently; please reach me by email.)

Logic at Institute of Science Tokyo.
Mainly interested in games, modal logic and non-classical logic.
Currently thinking about diamonds in non-classical settings, but I also did some work in reverse math before.
By games I mean both mathematical ones and computer ones.

","updated":"2026-06-12 13:05:47.727Z","user":"","username":"Leonardo Pacheco"}],"page":1,"perPage":10,"totalItems":60,"totalPages":6}

David C. Norris 🇺🇦

Following