diff --git a/README.md b/README.md
index a6fa99e..9e3037b 100644
--- a/README.md
+++ b/README.md
@@ -80,12 +80,21 @@ ScrapedDataset::create([
     'url'  => 'https://test.c/p/my-objective',
     'type' => 'Item-definition-1',
     'data' => [
-        'title'     => 'My title',
-        'body'      => 'This is the body content I want to get',
-        'images'    => [
-            'https://test.c/images/1.jpg',
-            'https://test.c/images/2.jpg',
-            'https://test.c/images/3.jpg',
+        [
+            'key' => 'title',
+            'value' => 'My title',
+        ],
+        [
+            'key' => 'body',
+            'value' => 'This is the body content I want to get',
+        ],
+        [
+            'key' => 'images',
+            'value' => [
+                'https://test.c/images/1.jpg',
+                'https://test.c/images/2.jpg',
+                'https://test.c/images/3.jpg',
+            ],
         ],
     ],
 ]);
@@ -124,12 +133,21 @@ ScrapedDataset::create([
     'type'    => 'Item-definition-1',
     'variant' => '8ed10778a83f1266e7ffed90205f7fb61ddcdf78',
     'data'    => [
-        'title'     => 'My title',
-        'body'      => 'This is the body content I want to get',
-        'images'    => [
-            'https://test.c/images/1.jpg',
-            'https://test.c/images/2.jpg',
-            'https://test.c/images/3.jpg',
+        [
+            'key' => 'title',
+            'value' => 'My title',
+        ],
+        [
+            'key' => 'body',
+            'value' => 'This is the body content I want to get',
+        ],
+        [
+            'key' => 'images',
+            'value' => [
+                'https://test.c/images/1.jpg',
+                'https://test.c/images/2.jpg',
+                'https://test.c/images/3.jpg',
+            ],
         ],
     ],
 ]);
@@ -152,12 +170,21 @@ ScrapedDataset::create([
     'type' => 'Item-definition-1',
     'variant' => '8ed10778a83f1266e7ffed90205f7fb61ddcdf78',
     'data' => [
-        'title'     => 'My title',
-        'body'      => regexp('/^Body starts here, but it is so long that.*$/si'),
-        'images'    => [
-            'https://test.c/images/1.jpg',
-            'https://test.c/images/2.jpg',
-            'https://test.c/images/3.jpg',
+        [
+            'key' => 'title',
+            'value' => 'My title',
+        ],
+        [
+            'key' => 'body',
+            'value' => regexp('/^Body starts here, but it is so long that.*$/si'),
+        ],
+        [
+            'key' => 'images',
+            'value' => [
+                'https://test.c/images/1.jpg',
+                'https://test.c/images/2.jpg',
+                'https://test.c/images/3.jpg',
+            ],
         ],
     ],
 ]);
diff --git a/src/Scraper/Application/Configurator.php b/src/Scraper/Application/Configurator.php
index 96fc1b6..ea3d7ad 100644
--- a/src/Scraper/Application/Configurator.php
+++ b/src/Scraper/Application/Configurator.php
@@ -96,6 +96,7 @@ private function findConfigByScrapedData(ScrapedDataset $scrapedData, Crawler $c
         $result = [];
 
         foreach ($scrapedData['fields'] as $field) {
+            $field['found'] = $field['found'] ?? true;
             if (!$field['found']) {
                 continue;
             }
diff --git a/src/Scraper/Models/Configuration.php b/src/Scraper/Models/Configuration.php
index 20a6fc8..6937b25 100644
--- a/src/Scraper/Models/Configuration.php
+++ b/src/Scraper/Models/Configuration.php
@@ -46,7 +46,7 @@ class Configuration extends Model
 
     public function getXpathsAttribute($xpaths): array
     {
-        return (array) $this->castAttribute('xpaths', $xpaths);
+        return (array)$this->castAttribute('xpaths', $xpaths);
     }
 
     public function scopeWithType($query, string $type)
diff --git a/src/Scraper/Models/ScrapedDataset.php b/src/Scraper/Models/ScrapedDataset.php
index e992d78..bb5c0ed 100644
--- a/src/Scraper/Models/ScrapedDataset.php
+++ b/src/Scraper/Models/ScrapedDataset.php
@@ -40,6 +40,13 @@ class ScrapedDataset extends Model
         'fields',
     ];
 
+    protected static function booted()
+    {
+        static::creating(function ($model) {
+            $model->url_hash = hash('sha256', $model->url);
+        });
+    }
+
     public function scopeWithType($query, string $type)
     {
         return $query->where('type', $type);