Technical Notes

Notes on how Kaketa works and what I learned while working on it. The notes are in English and Japanese.

• KN001: Grading Handwritten Kanji, Without an AI Model
  October 10, 2026
  Why Kaketa replaced a vision model with a deterministic stroke matcher built on KanjiVG and Hanzi Writer’s checks, how it works, and how the two compare on my own attempts.