The identification tab was similarly recorded. There was now a means of comparison.
Fingerprints could be duplicated—that is, if the race in question had fingers. Every intelligence, however much it differed from its neighbors, had a brain, and tampering with that brain was easily detected. Each identification tab carried a psychometric number which corresponded to the total personality. Alteration of any part of the brain could only subtract from personality index.
The technician removed the identification and gave it to Cassal. "Where shall I send the strips?"
"You don't," said Cassal. "I have a private message to go with them."
"But that will invalidate the process."
"I know. This isn't a formal contract."
Removing the two strips and handing them to Cassal, the technician wheeled the machine away. After due thought, Cassal composed the message.
Travelers Aid Bureau Murra Foray, first counselor:
If you were considering another identification tab for me, don't. As you can see, I've located the missing item.
He attached the message to the strips and dropped them into the communication chute.