# Rubik Lines — Source Metadata Investigation

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

## Source Repository
- **URL**: https://github.com/NaN-xyz/Rubik-Filtered
- **Commit**: `c70421b2f209e0aa88a84210d94da557602a5e56`
- **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
This family is part of the Rubik Filtered project, a collection of decorative display variants of the Rubik typeface by NaN and Luke Prowse. All fonts in this collection share the same upstream repository. The config is located at `lines/sources/config.yaml` on the `main` branch. This commit is shared with Rubik Scribble.