diff --git a/swh/dataset/exporters/orc.py b/swh/dataset/exporters/orc.py
--- a/swh/dataset/exporters/orc.py
+++ b/swh/dataset/exporters/orc.py
@@ -5,6 +5,7 @@
 
 import uuid
 
+from pkg_resources import get_distribution
 from pyorc import (
     BigInt,
     Binary,
@@ -88,6 +89,13 @@
                     compression=CompressionKind.ZSTD,
                 )
             )
+            self.writers[table_name].set_user_metadata(
+                swh_object_type=table_name.encode(),
+                swh_uuid=unique_id.encode(),
+                swh_model_version=get_distribution("swh.model").version.encode(),
+                swh_dataset_version=get_distribution("swh.dataset").version.encode(),
+                # maybe put a copy of the config (redacted) also?
+            )
         return self.writers[table_name]
 
     def process_origin(self, origin):