Update model_card.json

model_card.json

@@ -3,5 +3,5 @@
     "description": "Roadwork model",
     "version": "1.0.0",
     "submitted_by": "5G3YuwLBND4SNptQxg3tobQZfV2ERQeLbixw1KryvefjRDwq",
-    "submission_time": "2025-07-02 15:31:42"
+    "submission_time": "1751441959"
   }