SHA256(ubuntu-ova.ovf)= 8590eb94aad5536c9710f831e4d3fd04153ffe9c7024e32b754ae2bc08bf3fc3
SHA256(ubuntu-ova-disk1.vmdk)= 7d8839ba79ff0b7a5f6388923d0e33a48455e6873af2a4ae1982cceef329cda8