Update arxiv link

app.py

@@ -105,7 +105,7 @@ with gr.Blocks(
     gr.Markdown(
         '# AsymFLUX.2-klein Demo\n\n'
         'Pixel-space text-to-image generation demo of the paper '
-        '[Asymmetric Flow Models](https://hanshengchen.com/asymflow/static/paper.pdf). '
+        '[Asymmetric Flow Models](https://arxiv.org/abs/2605.12964). '
         '**Base model:** [FLUX.2 klein Base 9B](https://huggingface.co/black-forest-labs/FLUX.2-klein-base-9B). '
         '**Code:** [https://github.com/Lakonik/piFlow](https://github.com/Lakonik/piFlow).\n'
         '<br> Use and distribution of this app are governed by the '