Update README.md

lmbramer · web-flow · commit 314ad96323ea · 2026-06-30T14:56:20.000-07:00
diff --git a/README.md b/README.md
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+This repository has been archived and is no longer maintained.
+The code is provided for historical reference and may contain unpatched or unknown vulnerabilities.
+It should not be used in production systems.
+
 # Spectral Similarity Analysis
 
 Please cite: 
