diff --git a/omlmd/helpers.py b/omlmd/helpers.py
index 41f67c2..4a254f3 100644
--- a/omlmd/helpers.py
+++ b/omlmd/helpers.py
@@ -97,7 +97,9 @@ def push(
                 manifest_config=manifest_cfg,
                 do_chunked=True,
             )
-            self.notify_listeners(PushEvent(result, target, model_metadata))
+            self.notify_listeners(
+                PushEvent.from_response(result, target, model_metadata)
+            )
             return result
         finally:
             if owns_meta_files:
diff --git a/omlmd/listener.py b/omlmd/listener.py
index 7e15b62..8122fde 100644
--- a/omlmd/listener.py
+++ b/omlmd/listener.py
@@ -28,13 +28,12 @@ class Event(ABC):
 
 @dataclass
 class PushEvent(Event):
-    response: requests.Response
+    digest: str
     target: str
     metadata: ModelMetadata
 
-    @property
-    def ok(self) -> bool:
-        return self.response.status_code == 200
-
-    def get_digest(self) -> str:
-        return self.response.headers["Docker-Content-Digest"] if self.ok else ""
+    @classmethod
+    def from_response(
+        cls, response: requests.Response, target: str, metadata: ModelMetadata
+    ) -> "PushEvent":
+        return cls(response.headers["Docker-Content-Digest"], target, metadata)
diff --git a/tests/test_e2e_model_registry.py b/tests/test_e2e_model_registry.py
index 39adc26..972b0ac 100644
--- a/tests/test_e2e_model_registry.py
+++ b/tests/test_e2e_model_registry.py
@@ -43,7 +43,7 @@ class ListenerForModelRegistry(Listener):
 
         def update(self, source: Helper, event: Event) -> None:
             if isinstance(event, PushEvent):
-                self.sha = event.get_digest()
+                self.sha = event.digest
                 self.rm = from_oci_to_kfmr(model_registry, event, self.sha)
 
     listener = ListenerForModelRegistry()