pycopancore: Reference implementation of the copan:CORE World-Earth modelling framework - Breier, Jannes; Schwarz, Luana; Hotz, Ronja; Bechthold, Max; Heitzig, Jobst; Donges, Jonathan; Barfuss, Wolfram; Marc, Wiedermann; Zimmerer, Kilian B.; Kolb, Jakob; Kolster, Till; Müller-Hansen, Finn; et al. (2025)