diff --git a/servicex_analysis_utils/dataset_resolver.py b/servicex_analysis_utils/dataset_resolver.py
index 265cfb8..9157476 100644
--- a/servicex_analysis_utils/dataset_resolver.py
+++ b/servicex_analysis_utils/dataset_resolver.py
@@ -33,13 +33,14 @@
 
 
 def ds_type_resolver(
-    ds_name: Union[str, list[str]],
+    ds_name: Union[str, list[str], int],
 ) -> Union[dataset.FileList, dataset.Rucio, dataset.XRootD, dataset.CERNOpenData]:
     """Determine the type of dataset based on the input
     string and then return the ServiceX dataset object.
 
     Args:
-        ds_name (str): Name of the dataset to fetch.
+        ds_name (str, int, list): Name of the dataset to fetch. Can be a URL, Rucio DID,
+                                  CERN Open Data ID (as str or int), EOS path, or list of files.
 
     Returns:
         dataset: The dataset object
@@ -71,6 +72,9 @@ def find_scope(name):
     if isinstance(ds_name, list):
         return dataset.FileList(ds_name)
 
+    elif isinstance(ds_name, int):
+        return dataset.CERNOpenData(ds_name)
+
     elif re.match(r"^https?://", ds_name):
         url = ds_name
 
diff --git a/tests/test_dataset_resolver.py b/tests/test_dataset_resolver.py
index 5a9edfd..066ab66 100644
--- a/tests/test_dataset_resolver.py
+++ b/tests/test_dataset_resolver.py
@@ -37,6 +37,7 @@
         ("test:data", dataset.Rucio),
         ("rucio://test:test", dataset.Rucio),
         ("123", dataset.CERNOpenData),
+        (123, dataset.CERNOpenData),
         ("root://eosatlas.cern.ch//eos/", dataset.FileList),
         ("root://eosatlas.cern.ch//eos/*", dataset.XRootD),
         (["root://eosatlas.cern.ch//eos/", "https://test.com"], dataset.FileList),