diff --git a/app/api/routes/_blockchain.py b/app/api/routes/_blockchain.py
index 6c9e13b..e0d5b51 100644
--- a/app/api/routes/_blockchain.py
+++ b/app/api/routes/_blockchain.py
@@ -102,7 +102,7 @@ async def s_api_v1_blockchain_send_new_content_message(request):
                     'payload': b64encode(
                         begin_cell()
                             .store_uint(0x5491d08c, 32)
-                            .store_uint(int(encrypted_content_cid.content_hash.hex()[2:], 16), 256)
+                            .store_uint(int.from_bytes(encrypted_content_cid.content_hash, "big", signed=False), 256)
                             .store_ref(
                                 begin_cell()
                                     .store_ref(
diff --git a/app/core/models/node_storage.py b/app/core/models/node_storage.py
index 64708ca..c904239 100644
--- a/app/core/models/node_storage.py
+++ b/app/core/models/node_storage.py
@@ -28,6 +28,7 @@ class StoredContent(AlchemyBase):
     ipfs_cid = Column(String(1024), nullable=True)
     telegram_cid = Column(String(1024), nullable=True)
 
+    codebase_version = Column(Integer, nullable=True)
     created = Column(DateTime, nullable=False, default=0)
     updated = Column(DateTime, nullable=False, default=0)
     disabled = Column(DateTime, nullable=False, default=0)