diff --git a/archivebox/builtin_plugins/singlefile/migrations/0001_initial.py b/archivebox/builtin_plugins/singlefile/migrations/0001_initial.py
new file mode 100644
index 00000000..74ef955c
--- /dev/null
+++ b/archivebox/builtin_plugins/singlefile/migrations/0001_initial.py
@@ -0,0 +1,26 @@
+# Generated by Django 5.1.1 on 2024-09-10 05:05
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('core', '0074_alter_snapshot_downloaded_at'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SinglefileResult',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+                'constraints': [],
+            },
+            bases=('core.archiveresult',),
+        ),
+    ]
diff --git a/archivebox/builtin_plugins/singlefile/migrations/__init__.py b/archivebox/builtin_plugins/singlefile/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/archivebox/builtin_plugins/singlefile/models.py b/archivebox/builtin_plugins/singlefile/models.py
new file mode 100644
index 00000000..7e5cd41f
--- /dev/null
+++ b/archivebox/builtin_plugins/singlefile/models.py
@@ -0,0 +1,14 @@
+from django.db import models
+
+from core.models import ArchiveResult
+
+class SinglefileResultManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(extractor='singlefile')
+
+
+class SinglefileResult(ArchiveResult):
+    objects = SinglefileResultManager()
+
+    class Meta:
+        proxy = True