diff --git a/coordinate_sweep_contraction_v2.txt b/coordinate_sweep_contraction_v2.txt
index 5c38c9b..fb66213 100644
--- a/coordinate_sweep_contraction_v2.txt
+++ b/coordinate_sweep_contraction_v2.txt
@@ -49,8 +49,7 @@
 \setlength{\emergencystretch}{2em}
 \title{Row--column symmetry and contraction of coordinate sweeps\\
        \large a clear and complete account}
-\author{OpenAI}
-\date{September 26, 2026}
+
 \begin{document}
 
 \maketitle