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  <!-- Homepage -->
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    <loc>https://sentinelsystems.org/</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
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  <!-- Core service pages -->
  <url>
    <loc>https://sentinelsystems.org/infrastructure-review</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/install-model</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/reliability-model</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://sentinelsystems.org/reliability-oversight</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <url>
    <loc>https://sentinelsystems.org/engagement-model</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://sentinelsystems.org/reliability-report</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Case studies and proof -->
  <url>
    <loc>https://sentinelsystems.org/case-studies</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://sentinelsystems.org/case-studies/demo-install</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Authority and educational content -->
  <url>
    <loc>https://sentinelsystems.org/what-is-operational-infrastructure</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <url>
    <loc>https://sentinelsystems.org/infrastructure-debt</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <url>
    <loc>https://sentinelsystems.org/operational-infrastructure-checklist</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/operational-infrastructure-vs-agency</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/control-layer</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/revenue-infrastructure-engineering</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://sentinelsystems.org/sre-for-revenue-operations</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <url>
    <loc>https://sentinelsystems.org/operations-breakdown-timeline</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <url>
    <loc>https://sentinelsystems.org/why-integrations-break</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/sample-audit</loc>
    <lastmod>2026-02-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/anatomy-of-a-webhook-failure</loc>
    <lastmod>2026-02-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Resources hub and playbooks -->
  <url>
    <loc>https://sentinelsystems.org/resources</loc>
    <lastmod>2026-02-28</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/revenue-leakage-calculator</loc>
    <lastmod>2026-02-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/revops-person-quit</loc>
    <lastmod>2026-02-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/post-series-a-operations</loc>
    <lastmod>2026-02-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- Company pages -->
  <url>
    <loc>https://sentinelsystems.org/mission</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/security</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/partners</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/partnerships</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/governance-standard</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/governance</loc>
    <lastmod>2026-02-28</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/portfolio-standardization</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/operator-certification</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>

  <!-- Legal -->
  <url>
    <loc>https://sentinelsystems.org/privacy</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/terms</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>
  <url>
    <loc>https://sentinelsystems.org/legal</loc>
    <lastmod>2026-02-26</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>
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