diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 1eb81a2..aa71595 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -105,3 +105,18 @@ jobs:
       - name: Publish the exact Pages artifact
         id: deployment
         uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
+      - name: Verify anonymous live pages match the deployed artifact
+        env:
+          SITE_URL: ${{ steps.deployment.outputs.page_url }}
+        run: |
+          test "$SITE_URL" = 'https://valgorithms.github.io/YoutubePHP/'
+          for page in index.html classes/YouTube-YouTube.html guides/index.html guides/github-actions-uploader.html guides/civ13-uploader-example.html guides/publishing.html graphs/classes.svg; do
+            relative="$page"
+            if [ "$page" = index.html ]; then relative=''; fi
+            status="$(curl -q --proto '=https' --tlsv1.2 --fail --silent --show-error \
+              --connect-timeout 10 --max-time 20 --retry 3 --retry-delay 5 --retry-max-time 60 \
+              --output "$RUNNER_TEMP/docs-readback" --write-out '%{http_code}' "$SITE_URL$relative")"
+            test "$status" = 200
+            cmp "site/$page" "$RUNNER_TEMP/docs-readback"
+            printf 'Verified anonymous HTTP 200 and exact artifact bytes: %s\n' "$page"
+          done
diff --git a/docs/publishing.md b/docs/publishing.md
index 12dad9d..566987b 100644
--- a/docs/publishing.md
+++ b/docs/publishing.md
@@ -52,6 +52,12 @@ API reference, uploader guide and case study. Source generation alone is not a
 live deployment. The default address is
 `https://valgorithms.github.io/YoutubePHP/`.
 
+The publisher checks seven live pages/resources with anonymous HTTPS requests,
+requires HTTP 200 and compares each response byte-for-byte with the deployed
+artifact. Requests have bounded timeouts/retries and no authentication or cookies.
+This also provides readback when an operator's local network cannot reach the
+Pages hostname. A successful upload to Pages alone does not pass that check.
+
 References: [phpDocumentor configuration](https://docs.phpdoc.org/guide/references/configuration.html),
 [custom Pages workflows](https://docs.github.com/en/pages/getting-started-with-github-pages/using-custom-workflows-with-github-pages),
 [Pages publishing source](https://docs.github.com/en/pages/getting-started-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site).