Signing the content you serve
TLS proves who you are talking to, not that the bytes they serve are the bytes you intended. htmlsign signs blocks of an HTML document with post-quantum signatures.
Aug 2026 · 9 minRead →
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Journal
One notebook for all four obsessions. Essays, notes and reflections tagged by area. Use the filters below to follow a single thread.
How models changed the way I code
The bottleneck is no longer writing code. On writing skills, knowing the model you are teaching, and designing the whole application before a single line exists.
Jul 2026 · 12 minRead →
A social network built on git
Every post is a commit, every friend a submodule. On a timeline for hackers, where identity is a hash, follows are consent, and the network resists censorship by construction.
Jun 2026 · 11 minRead →
Emails are just files
No daemon, no GUI, just a directory of messages. On managing mail with a CLI utility, and the handlers and hooks that make it as capable as any client.
May 2026 · 10 minRead →
Why we need a post-quantum replacement for GPG
RSA had a good century. The options to replace GPG exist now, from GnuPG's own ML-KEM support to a small Rust tool of mine, and privacy demands we use them.
Apr 2026 · 12 minRead →
Notes from the margin
Marginalia taught us how to pay attention. Somewhere we let the digital margin shrink to almost nothing.
Mar 2026 · 8 minRead →
Available light, available patience
Notes from a month of shooting only what the day already offered, no flash, no golden-hour appointments.
Feb 2026 · 5 minRead →
The quiet case for plain text
Markdown, symlinks and grep, software that keeps your data readable a decade from now, by people not yet born.
Feb 2026 · 6 minRead →
The film paradox
Fewer frames, slower decisions, better photographs. Why the constraint is the gift.
Dic 2025 · 4 minRead →
Small tools, long lives
Building unix-philosophy utilities in 2026, what still holds, and what the modern stack gets wrong.
Nov 2025 · 7 minRead →
Machines of memory
From wax tablets to the cloud: a short history of the devices we outsourced our remembering to.
Oct 2025 · 7 minRead →