# Noto Serif Old Uyghur — Source Metadata Investigation
**Model**: Claude Opus 4.6
**Date**: 2026-03-12

## Source Repository
- **URL**: https://github.com/notofonts/old-uyghur
- **Commit**: `44b6cbf951161b70309c5e4ddff7738e76aec195`
- **Branch**: main
- **Config**: `sources/config-serif-old-uyghur.yaml`
- **Archive**: https://github.com/notofonts/old-uyghur/releases/download/NotoSerifOldUyghur-v1.004/NotoSerifOldUyghur-v1.004.zip
- **Status**: Source block present

## What Was Done
The existing source metadata was reviewed. The source block pointed to the notofonts/old-uyghur GitHub repository with a commit hash and a release archive at v1.004.

## Notes
- **Designer**: Google
- **Script**: Old Uyghur (Ougr)
- **Category**: SERIF
- Static font (Regular weight only). Covers the Old Uyghur language (`oui_Ougr`). Added to Google Fonts on 2023-09-26.