You're lucky to regard note names as stable enough that they work as unchanging IDs for you! But is it not then the same thing, because you already "allocated

You're lucky to regard note names as stable enough that they work as unchanging IDs for you! But is it not then the same thing, because you already "allocated an ID" by naming it? Did you, before coming up with the 4-char hash, often label things outside the vault with the same names as those found in your vault?