The invoice number for the "sprayers" was 1968AE35. 2001 came out in 1968 and the AE35 was the antenna on the Discovery that HAL said was going to fail.
Jimmy says what's unbelievable is that a 50-year-old chemistry professor came into his office, he was so broke he couldn't afford his funeral, and within a year he had a pile of money the size of a Volkswagen, in reference to what happened to Walter White