The Sorting Hat- Origins

"The sorting hat wasn't always known as the sorting hat. He wasn't always tattered, dirty, a patchwork of thoughts, fabric, and time. Some people tended to neglect this, whether it be out of ignorance, or apathy. He had had been something else once. But it was the past, meant to stay in the past." Possibly AU, a series of one-shots centered around the Sorting Hat.