diff --git a/index.html b/index.html
index 59f1ebc..0b73cf3 100644
--- a/index.html
+++ b/index.html
@@ -246,7 +246,7 @@ <h2 data-toc-skip>Developers</h2>
 <h2 data-toc-skip>Dev status</h2>
 <ul class="list-unstyled">
 <li><a href="https://lifecycle.r-lib.org/articles/stages.html#experimental" class="external-link"><img src="https://img.shields.io/badge/lifecycle-experimental-orange.svg" alt="Lifecycle: experimental"></a></li>
-<li><a href="https://github.com/YuhangTom/wire/commits/main" class="external-link"><img src="https://img.shields.io/badge/last%20change-2023--10--18-yellowgreen.svg" alt="Last-changedate"></a></li>
+<li><a href="https://github.com/YuhangTom/wire/commits/main" class="external-link"><img src="https://img.shields.io/badge/last%20change-2023--10--26-yellowgreen.svg" alt="Last-changedate"></a></li>
 <li><a href="https://app.codecov.io/gh/YuhangTom/wire?branch=main" class="external-link"><img src="https://codecov.io/gh/YuhangTom/wire/branch/main/graph/badge.svg" alt="Codecov test coverage"></a></li>
 <li><a href="https://github.com/YuhangTom/wire/actions/workflows/R-CMD-check.yaml" class="external-link"><img src="https://github.com/YuhangTom/wire/actions/workflows/R-CMD-check.yaml/badge.svg" alt="R-CMD-check"></a></li>
 </ul>
diff --git a/pkgdown.yml b/pkgdown.yml
index a24d929..8e1495e 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,7 +2,7 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-10-18T18:29Z
+last_built: 2023-10-27T03:01Z
 urls:
   reference: https://yuhangtom.github.io/wire/reference
   article: https://yuhangtom.github.io/wire/articles
diff --git a/reference/x3p_raw_sig_vec-1.png b/reference/x3p_raw_sig_vec-1.png
index 639b613..0247e93 100644
Binary files a/reference/x3p_raw_sig_vec-1.png and b/reference/x3p_raw_sig_vec-1.png differ