程阳：美国彩票的票面信息

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 Gtech lottery terminal ticket serial number 

GTECH lottery data appears on a ticket the ticket number

GTECH Colorado - SAS 70  【PDF】
Description of Gaming Systems
Page 33
The following data appears on a ticket:
• game name;
• the selected numbers;
• the draw date;
• the amount;
• the GGUARD number (used for tracking purposes);
• the retailer number, and
• the ticket number which is comprised of the control date, the control number, which is a scrambled representation of the serial number assigned to the transaction by the central system, the product identifier and check digits.