Update paper link

Replaces the paper link with the arxiv version

app.py

@@ -259,7 +259,7 @@ app.layout = dmc.MantineProvider(
                                             className="paper-text",
                                         ),
                                     ],
-                                    href="https://www.dataprovenance.org/economies-of-open-intelligence.pdf",
+                                    href="https://arxiv.org/abs/2512.03073",
                                     target="_blank",
                                     className="no-bg-link header-link paper-link",
                                 ),