On June 4 I posted an MD5 checksum 98a358d372c87da29509a44cc3ec387f

acidus@hatter:~$ cat purchase.txt
SPI will be purchased by HP in June or July
acidus@hatter:~$ md5
md5               md5sum            md5sum.textutils
acidus@hatter:~$ md5sum purchase.txt
98a358d372c87da29509a44cc3ec387f  purchase.txt
acidus@hatter:~$

Sure enough: HP buys SPI.