MD5 (xpi/preferential_new_guid_-0.8.1-fx+mz+tb.xpi) = 2d38b18292744cba5362c137ac59f669
SHA256 (xpi/preferential_new_guid_-0.8.1-fx+mz+tb.xpi) = 9892e3f01e30ce216a933dec802b0e007f0e92dbac782f7afeb03213ee0394ab
SIZE (xpi/preferential_new_guid_-0.8.1-fx+mz+tb.xpi) = 86987