[2][3] In 1990, he was promoted to the doctorate of history, with a dissertation titled Охорона пам'яток історії та культури в Українській РСР (1943-поч.
[2] In 2009, he researched from March to June on a Fulbright scholarship about The U.S. Policy of Restitution of Cultural Values After World War II.
[6] From 2013 until his death, Kot was head of the Centre for the Study of Historical and Cultural Heritage of Ukraine at the National Academy of Sciences.
[2] In 2020, Kot was instrumental in seeking restitution of a painting by Lucas Cranach, a diptych of Adam and Eve unlawfully taken to Saint Petersburg and now at the Norton Simon Museum in Pasadena, to Ukraine.
[8] It is a collection of articles by the British journalist Lancelot Lawton about the status of Ukraine in the 1930s;[8] Kot spent two years tracing Lawton's original articles, held by the Library of Congress in the U.S.[9] In 2010, he published research about the destiny and legal status of the exhibits of a 1941 traveling exhibition of the State Museum in the Crimea, held in museums of Crimea.
[1] He wrote scientific works about the history of the national revolutionary movement, the Bukovina region, and the Babyn Yar massacre.