As mentioned, the QR is a great idea for honest people. And, certainly something we may want to get into the habit of for historical documentation. There are registries for heirloom or antique quilts. Someday our humble "made for aunt Jo" quilts will be antiques.
Gears are turning under the snow on the roof. The tracking technology is there. The challenge is the system of delivery, registration, activation, and cost effectiveness. When talking world class quilts for shows, cost is not great in comparison to loss. However, shipping a baby quilt across the country, across the ocean, or even within the state, sophisticated tracking may be more than a new quilter wants to invest. Most shippers use a bar-code tracking system for packages, but their trucks and shipping containers have locator chips. Perhaps, if enough interest was directed at the shippers, they may develop a locator chip for their customers' products. (Additional fees would apply.)
OK - refine the idea and call, e-mail or visit your favorite shipper. Together, we can make it happen.