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README.md

@@ -37,6 +37,26 @@ This model is an open-weights alternative to the existing [Estella Explainer Mat
 
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+## Research Paper
+
+This model and its pedagogical framing are documented in:
+
+> Gattupalli, S., Maloy, R., & Edwards, S. (2026). *Open Weights, Open Classrooms: Fine-Tuning Estella Explainer as an Experimental Bench for Usable Math.* College of Education Working Papers and Reports Series, ScholarWorks@UMass Amherst. [https://doi.org/10.7275/qk16-p453](https://doi.org/10.7275/qk16-p453)
+
+The paper describes Estella Explainer as an open-weights experimental bench for studying usable math, classroom-facing explanations, and educator-oriented model development.
+
+## Model Visualization
+
+Explore the [interactive Model Map of Estella Explainer](https://modelmap.cc/m/sgattup/EstellaExplainerLLM?sel=model.language_model.embed_tokens_per_layer&mode=flow&lens=kv) to inspect the model's architecture and parameter pathways.
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+The image below is a static snapshot of that interactive view:
+
+![Model Map visualization of the Estella Explainer LLM](model-map-estella-explainer.png)
+
+*Image credit: [Model Map](https://modelmap.cc/). This is a living map of the network—an interactive view that helps make the model's architecture and parameter pathways visible. [Open the live visualization](https://modelmap.cc/m/sgattup/EstellaExplainerLLM?sel=model.language_model.embed_tokens_per_layer&mode=flow&lens=kv).*
+
+---
+
 ## Pedagogical Framework
 
 ### Estella's Role in Usable Math