It arrived like a message in a bottle: 1581bokepindovcssamamantandicolmekinadik new. At first glance it’s nonsense — a tumble of letters and numbers — and yet its very opacity is what makes it magnetic. Hidden inside the chaos are possible stories: a lost registry number, a password scraped from an old device, a fragment of a foreign phrase, or the raw material for a secret code waiting to be deciphered.