diff --git a/create_ticket_api.php b/create_ticket_api.php
index ef44380..348ffd9 100644
--- a/create_ticket_api.php
+++ b/create_ticket_api.php
@@ -59,17 +59,31 @@ $data = json_decode($rawInput, true);
 
 // Generate hash from stable components
 function generateTicketHash($data) {
-    $stableComponents = [
-        'title' => $data['title'],
-        // Extract metadata tags from title
-        'tags' => array_filter(
-            explode(']', str_replace(['[', ']'], '', $data['title'])),
-            'strlen'
-        )
-    ];
+    // Extract device name if present (matches /dev/sdX pattern)
+    preg_match('/\/dev\/sd[a-z]/', $data['title'], $deviceMatches);
+    $isDriveTicket = !empty($deviceMatches);
     
-    // Sort components for consistent hashing
-    sort($stableComponents['tags']);
+    // Extract hostname from title [hostname][tags]...
+    preg_match('/\[([\w\d-]+)\]/', $data['title'], $hostMatches);
+    $hostname = $hostMatches[1] ?? '';
+
+    // Extract error types from title
+    preg_match_all('/Critical ([^:,]+)/', $data['title'], $errorMatches);
+    $errorTypes = $errorMatches[1] ?? [];
+
+    $stableComponents = [
+        'hostname' => $hostname,
+        'error_types' => $errorTypes,
+        'title_base' => preg_replace('/\[\w+\]/', '', $data['title']), // Strip tags for base title
+    ];
+
+    // Only include device info for drive-specific tickets
+    if ($isDriveTicket) {
+        $stableComponents['device'] = $deviceMatches[0];
+    }
+
+    // Sort arrays for consistent hashing
+    sort($stableComponents['error_types']);
     
     return hash('sha256', json_encode($stableComponents, JSON_UNESCAPED_SLASHES));
 }