diff --git a/TXT b/TXT
new file mode 100644
index 0000000..6913550
--- /dev/null
+++ b/TXT
@@ -0,0 +1 @@
+google-site-verification=W4aLgZur_JvYsVM_aw5hHcyg5ETNBTY3FsANINTiWhI
diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 644d798..9c7b565 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -35,6 +35,7 @@ <h4> Giving credit </h4>
     <li><p>Please consider <a href="/authors.html#citing"><b>citing the papers</b></a>.</p></li>
     </ul>
     <h4> Visitors </h4>
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