diff --git a/.github/scripts/check_live_site.py b/.github/scripts/check_live_site.py
index 444cce3..200208a 100644
--- a/.github/scripts/check_live_site.py
+++ b/.github/scripts/check_live_site.py
@@ -151,8 +151,6 @@ def main():
             archive = Path(tmp) / "artifact.tar"
             archive.write_bytes(data)
             paths = verify_archive(root, archive)
-        if len(paths) != 58:
-            raise ValueError("Expected the current 58-file consumer declaration")
         receipt["archive_files_verified"] = len(paths)
         nonce = uuid.uuid4().hex
         receipt.update(check_public(root, paths, lambda path: fetch(path, nonce)))
diff --git a/.github/scripts/test_live_site.py b/.github/scripts/test_live_site.py
index 481a756..fcebed3 100644
--- a/.github/scripts/test_live_site.py
+++ b/.github/scripts/test_live_site.py
@@ -1,9 +1,15 @@
 import copy
 import hashlib
+import io
+import json
 from pathlib import Path
+import tempfile
 import unittest
+from unittest.mock import patch
+import zipfile
 from build_site import consumer_paths
-from check_live_site import BASE_URL, REPOSITORY, NEGATIVE_PATHS, check_identity, check_public
+from check_live_site import BASE_URL, REPOSITORY, NEGATIVE_PATHS, check_identity, check_public, main
+from package_site import package
 
 
 class PublicAcceptanceTests(unittest.TestCase):
@@ -70,5 +76,51 @@ def test_identifiers_are_bound_to_completed_manual_main_run(self):
         changed[3][0]["log_url"] = "https://github.com/x/y/actions/runs/9"
         with self.assertRaises(ValueError): check_identity(*changed, 1, 2)
 
-
+    def test_cli_accepts_manifest_sized_archive_and_rejects_corruption(self):
+        sha = "a" * 40
+        run = dict(id=1, head_sha=sha, event="workflow_dispatch", path=".github/workflows/pages.yml",
+                   head_branch="main", status="completed", conclusion="success")
+        artifact = dict(id=2, name="github-pages", expired=False, workflow_run=dict(id=1, head_sha=sha))
+        deployment = dict(sha=sha, ref="main", environment="github-pages")
+        statuses = [dict(state="success", environment_url=BASE_URL + "/",
+                         log_url="https://github.com/" + REPOSITORY + "/actions/runs/1/job/3")]
+        with tempfile.TemporaryDirectory() as tmp:
+            root, site = Path(tmp) / "root", Path(tmp) / "site"
+            root.mkdir(); site.mkdir()
+            for path in ("index.html", "reference/index.html"):
+                for parent in (root, site):
+                    (parent / path).parent.mkdir(parents=True, exist_ok=True)
+                    (parent / path).write_text("<p>Reader page</p>")
+            (root / "MANIFEST.md").write_text(
+                "## Consumer artifact\n- `index.html`\n- `reference/index.html`\n"
+                "## Repository-only files\n- `MANIFEST.md`\n")
+            archive = Path(tmp) / "artifact.tar"
+            package(root, site, archive)
+            for valid in (True, False):
+                with self.subTest(valid=valid):
+                    stream = io.BytesIO()
+                    with zipfile.ZipFile(stream, "w") as bundle:
+                        bundle.writestr("artifact.tar", archive.read_bytes() if valid else b"not a tar archive")
+                    output = Path(tmp) / ("valid.json" if valid else "invalid.json")
+                    records = [run, artifact, deployment, statuses, dict(status="succeed"), stream.getvalue()]
+                    def fetch(path, nonce):
+                        if path in NEGATIVE_PATHS:
+                            return dict(status=404, sha256="absent", headers={})
+                        return dict(status=200, sha256=hashlib.sha256((root / path).read_bytes()).hexdigest(), headers={})
+                    argv = ["check_live_site", "--run-id", "1", "--artifact-id", "2",
+                            "--environment-deployment-id", "3", "--pages-deployment-id", sha,
+                            "--output", str(output)]
+                    with patch("sys.argv", argv), patch("check_live_site.Path.cwd", return_value=root), \
+                         patch("check_live_site.api", side_effect=records), \
+                         patch("check_live_site.subprocess.check_output", side_effect=[sha + "\n", b""]), \
+                         patch("check_live_site.fetch", side_effect=fetch):
+                        self.assertEqual(main(), 0 if valid else 1)
+                    receipt = json.loads(output.read_text())
+                    self.assertEqual(receipt["passed"], valid)
+                    if valid:
+                        self.assertEqual(receipt["archive_files_verified"], 2)
+                        self.assertEqual(receipt["positive_count"], 2)
+                        self.assertEqual(receipt["negative_count"], 16)
+                    else:
+                        self.assertIn("error", receipt)
 if __name__ == "__main__": unittest.main()