https://pypi.org/project/calma/ Recent updates to the Python Package Index for calma en https://pypi.org/project/calma/0.13.0/ Recompute-and-diff verification: re-execute a result, recompute its headline number from the raw outputs, and prove or break the claim — plus a validity layer (leakage / overfitting / survivorship / look-ahead / era-embargo / risk-sim). Fri, 26 Jun 2026 17:56:28 GMT