diff --git a/archivebox/abid_utils/models.py b/archivebox/abid_utils/models.py
index de8b3c87..07fd3b3a 100644
--- a/archivebox/abid_utils/models.py
+++ b/archivebox/abid_utils/models.py
@@ -69,8 +69,8 @@ class ABIDModel(models.Model):
     abid_subtype_src = 'None'               # e.g. 'self.extractor'
     abid_rand_src = 'None'                  # e.g. 'self.uuid' or 'self.id'
 
-    id = models.UUIDField(primary_key=True, default=uuid4, editable=True)
-    uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
+    # id = models.UUIDField(primary_key=True, default=uuid4, editable=True)
+    # uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
     abid = ABIDField(prefix=abid_prefix)
 
     created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, default=get_or_create_system_user_pk)
diff --git a/archivebox/core/admin.py b/archivebox/core/admin.py
index 3fa86816..cc773f78 100644
--- a/archivebox/core/admin.py
+++ b/archivebox/core/admin.py
@@ -185,8 +185,8 @@ def get_abid_info(self, obj):
         </div>
         ''',
         obj.pk,
-        obj.id,
-        obj.uuid,
+        getattr(obj, 'id', str(getattr(obj, 'old_id', '')) + ' (.old_id)'),
+        getattr(obj, 'uuid', str(getattr(obj, 'id', '')) +' (.id)'),
         *obj.abid.split('_', 1), obj.api_url, obj.api_docs_url,
         obj.ABID.ts, obj.abid_values['ts'].isoformat() if isinstance(obj.abid_values['ts'], datetime) else obj.abid_values['ts'],
         obj.ABID.uri, str(obj.abid_values['uri']),
@@ -204,8 +204,8 @@ class SnapshotAdmin(SearchResultsAdminMixin, admin.ModelAdmin):
     sort_fields = ('title_str', 'url_str', 'added', 'files')
     readonly_fields = ('admin_actions', 'status_info', 'bookmarked', 'added', 'updated', 'created', 'modified', 'identifiers')
     search_fields = ('id', 'url', 'abid', 'uuid', 'timestamp', 'title', 'tags__name')
-    fields = ('url', 'timestamp', 'created_by', 'tags', 'title', *readonly_fields)
     list_filter = ('added', 'updated', 'tags', 'archiveresult__status', 'created_by')
+    fields = ('url', 'timestamp', 'created_by', 'tags', 'title', *readonly_fields)
     ordering = ['-added']
     actions = ['add_tags', 'remove_tags', 'update_titles', 'update_snapshots', 'resnapshot_snapshot', 'overwrite_snapshots', 'delete_snapshots']
     autocomplete_fields = ['tags']
diff --git a/archivebox/core/models.py b/archivebox/core/models.py
index dfd826f2..3f496bcc 100644
--- a/archivebox/core/models.py
+++ b/archivebox/core/models.py
@@ -5,6 +5,7 @@ from typing import Optional, List, Dict
 from django_stubs_ext.db.models import TypedModelMeta
 
 import json
+import random
 
 import uuid
 from uuid import uuid4
@@ -60,7 +61,7 @@ class Tag(ABIDModel):
 
     # id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=True)
     id = models.AutoField(primary_key=True, serialize=False, verbose_name='ID')
-    uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
+    uuid = models.UUIDField(default=uuid.uuid4, editable=True, unique=True)
     abid = ABIDField(prefix=abid_prefix)
 
 
@@ -122,7 +123,7 @@ class Snapshot(ABIDModel):
     abid_rand_src = 'self.id'
 
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)  # legacy pk
-    uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
+    uuid = models.UUIDField(default=uuid.uuid4, editable=True, unique=True)
     abid = ABIDField(prefix=abid_prefix)
 
     url = models.URLField(unique=True, db_index=True)
@@ -335,18 +336,19 @@ class ArchiveResultManager(models.Manager):
             qs = qs.annotate(indexing_precedence=Case(*precedence, default=Value(1000),output_field=IntegerField())).order_by('indexing_precedence')
         return qs
 
+def rand_int_id():
+    return random.getrandbits(32)
 
 class ArchiveResult(ABIDModel):
     abid_prefix = 'res_'
     abid_ts_src = 'self.snapshot.added'
     abid_uri_src = 'self.snapshot.url'
     abid_subtype_src = 'self.extractor'
-    abid_rand_src = 'self.uuid'
+    abid_rand_src = 'self.id'
     EXTRACTOR_CHOICES = EXTRACTOR_CHOICES
 
-    id = models.AutoField(primary_key=True, serialize=False, verbose_name='ID')   # legacy pk TODO: move to UUIDField
-    # id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-    uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
+    old_id = models.BigIntegerField(default=rand_int_id, serialize=False, verbose_name='ID')
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=True, unique=True)
     abid = ABIDField(prefix=abid_prefix)
 
     snapshot = models.ForeignKey(Snapshot, on_delete=models.CASCADE)
@@ -363,10 +365,15 @@ class ArchiveResult(ABIDModel):
 
     class Meta(TypedModelMeta):
         verbose_name = 'Result'
+        
 
     def __str__(self):
         return self.extractor
 
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        assert str(self.id) == str(self.abid.uuid)
+
     @cached_property
     def snapshot_dir(self):
         return Path(self.snapshot.link_dir)