spark-3.0.0-preview2-bin-hadoop3.2.tgz: D3087223 CE41A54F 0CD68243 0449BF7C
                                        9A0224D5 1BB4FCA2 B4E3802E FFF497DD
                                        2941EC73 5AB6E788 D9744AFF 8D6ECCAD
                                        73EF22E6 FDF145AD 3C98E870 63E457F6