--- /dev/null
+# Override config.yaml for apache/tinos
+# NOTE: This is a best-effort starting point for reproducible builds.
+# The shipped binary may have been built with different tools/versions.
+#
+sources:
+ - sources/Tinos-Regular.glyphs
+ - sources/Tinos-Bold.glyphs
+ - sources/Tinos-Italic.glyphs
+ - sources/Tinos-BoldItalic.glyphs
--- /dev/null
+# Tinos — Source Repository Investigation
+
+**Model**: Claude Opus 4.6
+
+## Source Repository
+
+| Field | Value |
+|-------|-------|
+| Repository | https://github.com/googlefonts/tinos |
+| Commit | `aaf68d53c2d49dbd443631c333c804bf4c664e60` |
+| Confidence | High |
+
+## Source Types
+
+The repository contains Glyphs sources:
+- `sources/Tinos-Regular.glyphs`
+- `sources/Tinos-Bold.glyphs`
+- `sources/Tinos-Italic.glyphs`
+- `sources/Tinos-BoldItalic.glyphs`
+
+All four styles have individual Glyphs source files.
+
+## Build Compatibility
+
+No `config.yaml` is present in the upstream repository. The Glyphs sources could potentially be built with gftools-builder given an override config.
+
+## Investigation Notes
+
+Tinos is one of the Chrome OS core fonts (metrically compatible with Times New Roman), hosted under the googlefonts organization. The binary in google/fonts was last updated on 2017-08-07 (v1.231 hotfix). The repository is the canonical upstream maintained by the Google Fonts team.
+
+A source block was added to METADATA.pb pointing to this repository and commit.
+
+## Confidence: High
+
+Official googlefonts organization repository.