My new Spyderco Titanium Salsa just arrived in the mail and already I am in love. Its titanium handle is the perfect shape for my hand and with the thumbstud the knife feels like it is glued to your hand. The short blade with the upward curve is perfect for utility work and the lock is very simple yet feels very secure. I must say that least for right now I am very happy with this knife. I do have a question for anyone who knows about Salsas. My blade has a 037 imprinted on the side of it. Is this the production number, or just a part of all the titanium knives? If anyone knows please fill me in.