About

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Guestbook

You will need a client certificate to sign the guestbook. You can add your name using the signing link below. The last 8 digits of the SHA256 hash of your client certificate will be added to ensure uniqueness.

See the Guestbook

Sign the Guestbook

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Feeds

If you'd like to be informed when I post new content, you can use the following Atom feeds to receive automatic updates.

Log

Mathematics

Changelog

NOTE: I tend to push many small changes to the capsule in rapid succession. This feed might spam you with updates!

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Contact

I'd love to hear from you! If you'd like to reach out to me directly, you can use any of the following methods.

• Name: Rob S
• BBS: u/jsreed5
• E-mail: rob@jsreed5.org
• Nostr: npub18ga9khfj44na5rmdrs9ppc56z2aqrv0a77zh5lautf0l29d9kzes7wwfu0
• SDF: jsreed5
• Station: jsreed5
• Urbit: ~winnup-libfel

My SimpleX Address (HTTPS)

My PGP Public Key

(PGP, 6.77 KiB)

My Client Certificate Fingerprints

(TXT, 192 B)

My preferred form of contact is e-mail. I am on BBS and SimpleX regularly, Nostr and Station semi-regularly, and SDF and Urbit occasionally.

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Home

[Last updated: 2026-05-18]