Sirin Stencil: add source block to METADATA.pb

Assisted by an AI agent (Claude Opus 4.6)

diff --git a/ofl/sirinstencil/METADATA.pb b/ofl/sirinstencil/METADATA.pb
index ba31dde109e900e40c17f7bf296fa9bc9ed953e2..7b3d92ebb706869d16b466ba2dc4ca0bcd42e254 100644 (file)
--- a/ofl/sirinstencil/METADATA.pb
+++ b/ofl/sirinstencil/METADATA.pb
@@ -12,6 +12,11 @@ fonts {
   full_name: "SirinStencil"
   copyright: "Copyright (c) 2011, Cyreal (www.cyreal.org a@cyreal.org) with Reserved Font Name \"Sirin\" and \"Sirin Stencil\". This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is available with a FAQ at: http://scripts.sil.org/OFL"
 }
+source {
+  repository_url: "https://github.com/cyrealtype/Sirin-Stencil"
+  commit: "803ade3c703e5f0feb4cb46526ecc71ca5e8fbd1"
+  branch: "master"
+}
 subsets: "menu"
 subsets: "latin"
 stroke: "SANS_SERIF"

diff --git a/ofl/sirinstencil/upstream_info.md b/ofl/sirinstencil/upstream_info.md
new file mode 100644 (file)
index 0000000..77deb7b
--- /dev/null
+++ b/ofl/sirinstencil/upstream_info.md
@@ -0,0 +1,39 @@
+**Model**: Claude Opus 4.6
+
+# Sirin Stencil — Upstream Source Investigation
+
+## Summary
+
+Sirin Stencil is a display humanist sans stencil typeface designed by Olga Karpushina at Cyreal (www.cyreal.org) and released in 2011. It was added to Google Fonts on 2012-01-18.
+
+## Designer
+
+Cyreal (Olga Karpushina) — cyreal.org
+
+## Repository Search
+
+A search for canonical upstream repositories was conducted on GitHub. The following repository was found:
+
+- **cyrealtype/Sirin-Stencil** (https://github.com/cyrealtype/Sirin-Stencil) — repository owned by `cyrealtype`, the GitHub organization for Cyreal. The repository contained:
+  - `sources/Sirin Stencil.glyphs` — Glyphs source file
+  - `sources/old/` — older source files
+  - `fonts/` — compiled font files
+  - `documentation/` — documentation including samples
+
+The repository was confirmed as non-archived with an active `master` branch. The README identified the font as "Sirin Stencil is a display humanist sans typeface by Olga Karpushina."
+
+- **librefonts/sirinstencil** — a librefonts mirror (excluded per policy).
+
+## Commit
+
+Latest commit: `803ade3c703e5f0feb4cb46526ecc71ca5e8fbd1` — "generated fonts version 1.100"
+
+This commit was verified via the GitHub API.
+
+## Status
+
+Source block was added pointing to `cyrealtype/Sirin-Stencil` at commit `803ade3c703e5f0feb4cb46526ecc71ca5e8fbd1` on the `master` branch.
+
+## Confidence
+
+High — The repository is owned by the Cyreal type foundry, contains Glyphs source files, and matches the font metadata.