touchmark: five characters that end session blur

try it

type a string, get a face

1 · hash

Every AI session already has an ID. SHA-256 turns it into a fingerprint.

2 · code

Crockford base32 keeps five unambiguous characters. No I, L, O, or U to misread.

3 · face

The same hash places twelve to eighteen dots on an 8 by 8 grid. Glanceable identity.

Take it home

One file, one installer, no account. Email in, download link out, right here on the page. That is the whole exchange. macOS or Linux, Python 3.9+, Claude Code. As-is gift: no support, no roadmap.

Want the whole concept first? Read the deep dive. Free, no email.

Five characters that end session blur.

Take it home