Did Cliff actually tell you this ?
Purchase, sale, ownership, dividend and Proxy types of records are recorded, documented and maintained by the independent Transfer Agent who acts as an intermediary for the company, they're the one's that perform a whole host of Shareholder recordkeeping functions, not the company.
In PTSC's case, it's:
Interwest Transfer Company
1981 East 4800 South
Suite 100
Salt Lake City UT 84117
801.272.9294