diff --git a/bin/package_vulkan b/bin/package_vulkan
index 5236546..59cb32f 100755
--- a/bin/package_vulkan
+++ b/bin/package_vulkan
@@ -46,22 +46,42 @@ cp $VULKAN_MODULES/sombrero/*.png $PACKAGE_DIR
 wget -P $PACKAGE_DIR https://raw.githubusercontent.com/crosire/reshade-shaders/384465d0287999caa6190b5ebea506200b4f4a0a/Shaders/ReShade.fxh
 wget -P $PACKAGE_DIR https://raw.githubusercontent.com/crosire/reshade-shaders/384465d0287999caa6190b5ebea506200b4f4a0a/Shaders/ReShadeUI.fxh
 
+# if a custom_banner image exists, copy it over the sombrero one
+if [ -e "$VULKAN_DIR/custom_banner.png" ]; then
+  cp $VULKAN_DIR/custom_banner.png $PACKAGE_DIR
+fi
+
 # copy vulkan setup scripts and configs
 mkdir -p $PACKAGE_DIR/bin
-copy_and_inject_ua "$XREAL_DRIVER_DIR/bin/ua.sh" "$PACKAGE_DIR/bin" "$VULKAN_DIR/bin/setup" "$VULKAN_DIR/bin/breezy_vulkan_uninstall"
+copy_and_inject_ua "$XREAL_DRIVER_DIR/bin/ua.sh" "$PACKAGE_DIR/bin" "$VULKAN_DIR/bin/setup" "$VULKAN_DIR/bin/verify_installation" "$VULKAN_DIR/bin/breezy_vulkan_uninstall"
 cp -r $VULKAN_DIR/config $PACKAGE_DIR
 
 # build xreal driver
 XREAL_BINARY=$XREAL_DRIVER_DIR/build/xrealAirLinuxDriver.tar.gz
+pushd $XREAL_DRIVER_DIR
+
 if [ ! -e "$XREAL_BINARY" ] || [ "$1" != "--skip-module-builds" ]; then
-  pushd $XREAL_DRIVER_DIR
+  # if a file exists at custom_banner_config.yml, copy it to the xrealAirLinuxDriver directory
+  if [ -e "$VULKAN_DIR/custom_banner_config.yml" ]; then
+    cp $VULKAN_DIR/custom_banner_config.yml $XREAL_DRIVER_DIR
+  fi
+
   bin/package
-  popd
 fi
 
+XREAL_MANIFEST_LINE=$(sha256sum build/driver_air_glasses/manifest)
+popd
+
 # copy xreal binary and setup script
 cp $XREAL_BINARY $PACKAGE_DIR
 cp $XREAL_DRIVER_DIR/bin/xreal_driver_setup $PACKAGE_DIR/bin
 
+# create manifest file for verifying installed file checksums against the originally packaged versions
+# include any file that doesn't get modified during setup (e.g. vkBasalt.json files)
+pushd $PACKAGE_DIR
+echo $XREAL_MANIFEST_LINE > manifest
+sha256sum bin/breezy_vulkan_uninstall vkBasalt.64/libvkbasalt.so vkBasalt.32/libvkbasalt.so *.fx* *.png >> manifest
+popd
+
 # bundle everything up
 tar -zcvf $VULKAN_BUILD/breezyVulkan.tar.gz --directory $VULKAN_BUILD breezy_vulkan
\ No newline at end of file
diff --git a/modules/xrealAirLinuxDriver b/modules/xrealAirLinuxDriver
index 82d38ce..5d074de 160000
--- a/modules/xrealAirLinuxDriver
+++ b/modules/xrealAirLinuxDriver
@@ -1 +1 @@
-Subproject commit 82d38ce285e68df8671d7516480391b589a7f78f
+Subproject commit 5d074de7456d1fce2e5aa49293dc04bc34e3195b
diff --git a/vulkan/bin/breezy_vulkan_uninstall b/vulkan/bin/breezy_vulkan_uninstall
index f089056..d88eaaa 100755
--- a/vulkan/bin/breezy_vulkan_uninstall
+++ b/vulkan/bin/breezy_vulkan_uninstall
@@ -34,6 +34,9 @@ rm $USER_HOME/.local/share/vulkan/implicit_layer.d/vkBasalt.x86.json
 rm -rf $USER_HOME/.config/vkBasalt
 rm -rf $USER_HOME/.config/reshade
 
+[ "$for_install" -eq 0 ] && echo "Removing scripts at $USER_HOME/.local/bin/breezy_vulkan"
+rm -rf $USER_HOME/.local/bin/breezy_vulkan
+
 [ "$for_install" -eq 0 ] && echo "SKIPPING xrealAirLinuxDriver uninstall to keep mouse/joystick driver functionality."
 [ "$for_install" -eq 0 ] && echo "To manually uninstall xrealAirLinuxDriver, do: \"sudo ~/bin/xreal_driver_uninstall\""
 
diff --git a/vulkan/bin/setup b/vulkan/bin/setup
index 4f9ad41..a55476a 100755
--- a/vulkan/bin/setup
+++ b/vulkan/bin/setup
@@ -60,6 +60,17 @@ cp *.fx* $USER_HOME/.config/reshade/Shaders
 cp *.png $USER_HOME/.config/reshade/Textures
 chown -R $USER:$USER $USER_HOME/.config/reshade
 
+# escaping sed replace: https://stackoverflow.com/questions/407523/escape-a-string-for-a-sed-replace-pattern
+ESCAPED_USER_HOME=$(printf '%s\n' "$USER_HOME" | sed -e 's/[\/&]/\\&/g')
+
+echo "Copying the verification script and manifest to ${USER_HOME}/.local/bin/breezy_vulkan"
+sed -i -e "s/{user_home}/$ESCAPED_USER_HOME/g" bin/verify_installation
+if [ ! -d "$USER_HOME/.local/bin/breezy_vulkan" ]; then
+  mkdir -p $USER_HOME/.local/bin/breezy_vulkan
+fi
+cp -p bin/verify_installation $USER_HOME/.local/bin/breezy_vulkan
+cp manifest $USER_HOME/.local/bin/breezy_vulkan
+
 # set up the XREAL driver using the local binary
 echo "Installing xrealAirLinuxDriver"
 echo "BEGIN - xreal_driver_setup"
@@ -69,4 +80,5 @@ then
 else
   bin/xreal_driver_setup -v $1 $(pwd)/xrealAirLinuxDriver.tar.gz
 fi
+
 echo "END - xreal_driver_setup"
\ No newline at end of file
diff --git a/vulkan/bin/verify_installation b/vulkan/bin/verify_installation
new file mode 100755
index 0000000..9cfcb85
--- /dev/null
+++ b/vulkan/bin/verify_installation
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+set -e
+
+# create a string to string mapping, file name to expected file location
+declare -A file_paths
+file_paths=(
+  ["bin/breezy_vulkan_uninstall"]="{user_home}/bin/breezy_vulkan_uninstall"
+  ["vkBasalt.64/libvkbasalt.so"]="{user_home}/.local/lib/libvkbasalt.so"
+  ["vkBasalt.32/libvkbasalt.so"]="{user_home}/.local/lib32/libvkbasalt.so"
+  ["IMUAdjust.fx"]="{user_home}/.config/reshade/Shaders/IMUAdjust.fx"
+  ["ReShade.fxh"]="{user_home}/.config/reshade/Shaders/ReShade.fxh"
+  ["ReShadeUI.fxh"]="{user_home}/.config/reshade/Shaders/ReShadeUI.fxh"
+  ["Sideview.fx"]="{user_home}/.config/reshade/Shaders/Sideview.fx"
+  ["calibrating.png"]="{user_home}/.config/reshade/Textures/calibrating.png"
+  ["custom_banner.png"]="{user_home}/.config/reshade/Textures/custom_banner.png"
+  ["build/driver_air_glasses/manifest"]="{user_home}/.local/bin/xr_driver/manifest"
+)
+
+# verify the file hashes in ./manifest
+while IFS= read -r line
+do
+  # split the line into hash and filename
+  manifest_hash=$(echo $line | awk '{print $1}')
+  file=$(echo $line | awk '{print $2}')
+
+  actual_file_path=${file_paths[$file]}
+
+  # compute the SHA256 hash of the actual file
+  actual_hash=$(sha256sum $actual_file_path | awk '{print $1}')
+
+  # compare the hashes
+  if ! [ "$manifest_hash" = "$actual_hash" ]; then
+    echo "Verification failed" >&2
+    exit 1
+  fi
+done < "{user_home}/.local/bin/breezy_vulkan/manifest"
+
+# if our checks succeeded, run the xr_driver verify script
+{user_home}/.local/bin/xr_driver/verify_installation > /dev/null
+
+echo "Verification succeeded"
\ No newline at end of file
diff --git a/vulkan/custom_banner.png b/vulkan/custom_banner.png
new file mode 100644
index 0000000..6372a13
Binary files /dev/null and b/vulkan/custom_banner.png differ
diff --git a/vulkan/custom_banner_config.yml b/vulkan/custom_banner_config.yml
new file mode 100644
index 0000000..62c3f64
--- /dev/null
+++ b/vulkan/custom_banner_config.yml
@@ -0,0 +1,3 @@
+start_date: 1707523200
+end_date: 1709942400
+target_device_vendor_id: 0x3318
\ No newline at end of file
diff --git a/vulkan/modules/sombrero b/vulkan/modules/sombrero
index acaeb56..d077766 160000
--- a/vulkan/modules/sombrero
+++ b/vulkan/modules/sombrero
@@ -1 +1 @@
-Subproject commit acaeb5666ea6861f68d3011be535dd65f63a9894
+Subproject commit d077766d2a594871418cc56fed93cbfd5d20513e