The concept itself is not new, with common law jurisdictions having recognized telegraph signatures as far back as the mid-19th century and faxed signatures since the 1980s. From Wikipedia
Crane Federal Credit Union Routing Number. 283977688 routing number is a 9-digit number designed and assigned to Crane Federal Credit Union by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn.
The routing number for InTouch Credit Union is 311079474. The routing number for InTouch Credit Union (ITCU) may also be referred to as the ITCU ABA number, ITCU routing transit number, or simply the ITCU check routing number. This routing number, 311079474, is assigned to the credit union to identify payments and financial transfers between ITCU and other financial institutions in the U.S. banking system.