diff --git a/tests/test_artifact.py b/tests/test_artifact.py
index ee2e3e1..d2b2a6c 100644
--- a/tests/test_artifact.py
+++ b/tests/test_artifact.py
@@ -106,6 +106,9 @@ def test_research_artifact_projects_versioned_queryable_fact_tables() -> None:
         result.schedule.signal_to_execution.iloc[0].date()
     ]
     assert set(artifact.trades["side"]) == {"buy", "sell"}
+    assert artifact.trades["trade_id"].is_unique
+    assert artifact.trades["trade_id"].str.startswith("run-20260105-a:").all()
+    assert artifact.trades["signal_id"].str.startswith("run-20260105-a:signal:").all()
     assert {"security", "cash"}.issubset(set(artifact.positions["asset_type"]))
     assert artifact.positions.groupby("trade_date")["weight"].sum().tolist() == pytest.approx(
         [1.0, 1.0, 1.0, 1.0]