diff --git a/pepdbagent/db_utils.py b/pepdbagent/db_utils.py
index fe5ab6c..45c151c 100644
--- a/pepdbagent/db_utils.py
+++ b/pepdbagent/db_utils.py
@@ -366,14 +366,12 @@ class SchemaGroupRelations(Base):
 
 class TarNamespace(Base):
 
-    __tablename__ = "tar_namespace"
+    __tablename__ = "namespace_archives"
 
     id: Mapped[int] = mapped_column(primary_key=True)
     namespace: Mapped[str] = mapped_column(ForeignKey("users.namespace", ondelete="CASCADE"))
     file_path: Mapped[str] = mapped_column(nullable=False)
-    submission_date: Mapped[datetime.datetime] = mapped_column(default=deliver_update_date)
-    start_period: Mapped[datetime.datetime] = mapped_column(nullable=True)
-    end_period: Mapped[datetime.datetime] = mapped_column(nullable=True)
+    creation_date: Mapped[datetime.datetime] = mapped_column(default=deliver_update_date)
     number_of_projects: Mapped[int] = mapped_column(default=0)
 
 
diff --git a/pepdbagent/models.py b/pepdbagent/models.py
index 0d3d025..462d283 100644
--- a/pepdbagent/models.py
+++ b/pepdbagent/models.py
@@ -303,9 +303,7 @@ class TarNamespaceModel(BaseModel):
     identifier: int = None
     namespace: str
     file_path: str
-    submission_date: datetime.datetime = None
-    start_period: datetime.datetime
-    end_period: datetime.datetime
+    creation_date: datetime.datetime = None
     number_of_projects: int = 0
 
 
diff --git a/pepdbagent/modules/namespace.py b/pepdbagent/modules/namespace.py
index 1f34975..e1ec80b 100644
--- a/pepdbagent/modules/namespace.py
+++ b/pepdbagent/modules/namespace.py
@@ -315,8 +315,7 @@ def upload_tar_info(self, tar_info: TarNamespaceModel) -> None:
             new_tar = TarNamespace(
                 file_path=tar_info.file_path,
                 namespace=tar_info.namespace,
-                start_period=tar_info.start_period,
-                end_period=tar_info.end_period,
+                creation_date=tar_info.creation_date,
                 number_of_projects=tar_info.number_of_projects,
             )
             session.add(new_tar)
@@ -337,7 +336,7 @@ def get_tar_info(self, namespace: str) -> TarNamespaceModelReturn:
             tar_info = session.scalars(
                 select(TarNamespace)
                 .where(TarNamespace.namespace == namespace)
-                .order_by(TarNamespace.submission_date.desc())
+                .order_by(TarNamespace.creation_date.desc())
             )
 
             results = []
@@ -347,9 +346,7 @@ def get_tar_info(self, namespace: str) -> TarNamespaceModelReturn:
                         identifier=result.id,
                         namespace=result.namespace,
                         file_path=result.file_path,
-                        start_period=result.start_period,
-                        end_period=result.end_period,
-                        submission_date=result.submission_date,
+                        creation_date=result.creation_date,
                         number_of_projects=result.number_of_projects,
                     )
                 )
diff --git a/tests/test_tar_meta.py b/tests/test_tar_meta.py
index 0b1a675..2488a4b 100644
--- a/tests/test_tar_meta.py
+++ b/tests/test_tar_meta.py
@@ -35,9 +35,6 @@ def test_create_meta_tar(self):
             result = agent.namespace.get_tar_info(namespace=self.test_namespace)
 
             assert result.count == 1
-            assert result.results[0].end_period.strftime(
-                "%Y:%m:%d"
-            ) == self.tar_info.end_period.strftime("%Y:%m:%d")
 
     def test_delete_meta_tar(self):
         with PEPDBAgentContextManager(add_data=True) as agent: