added pdf

Author: Nike353

index.html

@@ -63,7 +63,7 @@ <h1 class="title is-1 publication-title">Sampling-Based System Identification wi
               <div class="publication-links">
                 <!-- PDF Link. -->
                 <span class="link-block">
-                  <a href="./static/pdf/spi_active.pdf"
+                  <a href="./static/pdf/spi_active_arxiv.pdf"
                      class="external-link button is-normal is-rounded is-dark" target="_blank">
                     <span class="icon">
                         <i class="fas fa-file-pdf"></i>