<?xml version="1.0" encoding="UTF-8"?>
<!-- <lastmod> only, and it is the date the page's content last changed rather
     than the date this file was touched — Google ignores <changefreq> and
     <priority>, and reads <lastmod> only while it stays honest. -->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url><loc>https://properengineer.com/</loc><lastmod>2026-09-15</lastmod></url>
</urlset>
