Add SAS Note to Model Card

README.md

@@ -562,4 +562,21 @@ The development of vision-language models (VLMs) raises several ethical concerns
 
 ### **Benefits**
 
-At the time of release, this family of models provides high-performance open vision-language model implementations designed from the ground up for responsible AI development compared to similarly sized models.
+At the time of release, this family of models provides high-performance open vision-language model implementations designed from the ground up for responsible AI development compared to similarly sized models.
+
+## Source Model Repo
+
+This model is derived from [`google/gemma-4-31B-it-assistant`](https://huggingface.co/google/gemma-4-31B-it-assistant).  
+See the upstream repository for the original safetensors weights, training data, and the full upstream model card.
+
+## SAS Modifications
+
+SAS has not made any modifications to the source model weights or file artifacts.
+
+## SAS Product Integration
+
+This repo is consumed by the SAS Document Analysis product offering
+
+## Model Security Scan
+
+Model weights were scanned on 2026-06-22. All checks passed. Safetensor file received a LOW risk level assessment.