# Rubik Doodle Shadow — Source Metadata Investigation

**Model**: Claude Opus 4.6
**Date**: 2026-03-12

## Source Repository
- **URL**: https://github.com/NaN-xyz/Rubik-Filtered
- **Commit**: `409369746e32796524d9b0b6c9c5aa6445c83bcd`
- **Status**: Source block already present with repository URL and commit hash

## What Was Done
The existing source metadata was reviewed. The repository URL and commit hash were confirmed present in METADATA.pb.

## Notes
Designed by NaN and Luke Prowse. A display typeface with a hand-drawn doodle shadow effect, part of the Rubik Filtered multi-family repository. Covers Cyrillic, Cyrillic Extended, Hebrew, Latin, Latin Extended, Math, and Symbols subsets. Single static weight.