A reproduced pyliferisk 1.12.0 defect silently resets mortality assumptions during geometric valuation.

Report: https://www.gero.uz/research/articles/pyliferisk-geometric-mortality.html
Immutable archive: https://doi.org/10.5281/zenodo.22747542
Public artifact: https://github.com/kadyrbekovhamit-cyber/gero-pyliferisk-geometric-mortality-audit
Primary sources:
https://github.com/kadyrbekovhamit-cyber/gero-pyliferisk-geometric-mortality-audit/tree/5fdb75e697066c1ecc46327bee0b33c4525c8899
https://github.com/franciscogarate/pyliferisk/pull/17

Synthetic library-level cases only; no insurer deployment or customer loss is claimed. PR #17 is proposed, not merged. Existing fractional-payment approximations and growth timing are unchanged. One CPU thread; no performance benchmark.

Research and editorial review: Xamit Kadirbekov / GERO Research. Independent work; no affiliation with the organizations discussed.
Narration: synthetic English preset Microsoft Andrew Neural via edge-tts. Alex Vector is a fictional narrator. Original diagrams; AI-assisted preparation.

#ActuarialScience #Insurance #SoftwareTesting #Shorts
