In early March, two weeks into Russia's invasion of Ukraine, Carrie Pirmann stumbled upon a website dedicated to Ivan Mazepa, a 16th century Ukrainian politician and patron of the arts. A 44-year-old librarian at Bucknell University, Pirmann had joined an international effort of fellow archivists to preserve the digital history of a country under siege, and the contents of Mazepa's website, though obscure, seemed worth saving.