diff --git a/strand.comp b/strand.comp
index 310da9b..54b93ce 100644
--- a/strand.comp
+++ b/strand.comp
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2026 Mykhailo Mamedov. All rights reserved.
+ *
+ * RESEARCH PREVIEW / REFERENCE ONLY:
+ * This source code is provided solely for the purpose of reviewing
+ * the author's research methods and implementation.
+ *
+ * NO LICENSE GRANTED:
+ * This code is NOT for distribution, modification, or use in any
+ * project (commercial or otherwise). Unauthorized copying or
+ * use of this code is strictly prohibited.
+ *
+ * For inquiries regarding use or licensing, contact: ua.modin@gmail.com
+ */
+
 #version 460
 #extension GL_EXT_debug_printf : enable
 #extension GL_EXT_shader_atomic_float : enable