Someone has practised with Google Doc's Science Templates
and found the Dev's fingerprint from the PoI algorithm

https://docs.google.com/document/d/13M3wbdjI0Nzx-OKAd0dRCfOYFA_oT9Ydg96DkiUBsDs/edit?usp=sharing

::: NEM harvesting with PoS ... or, with PoI ?