Update README.md

Add link to paper

README.md

@@ -17,6 +17,9 @@ heading without absolute coordinates, so the model is location-invariant.
 This is a research release. It is not a `transformers` model and cannot be
 loaded with `transformers.from_pretrained`.
 
+Paper: [Industrial Kinematic Trajectory Model (IKTM): Coordinate-Free Autoregressive Generator
+](https://arxiv.org/abs/2609.22173)
+
 ## Files
 
 | File | Description |