D Kurd Handpan Root-Mode Prototype

Private research packet for a tuned-shell steel idiophone.

This site is a build-log scaffold. Handpan tone fields are empirical; final pitch must be validated through measured tuning passes and human review.

Core Files

Design
design.md
Validation
validation.csv

Prototype Gate

The packet remains private until the build log includes measured cents error, partial behavior, sustain, cross-talk, drift data, supplier/process evidence, public-claims review, and a human tuner review.