1986 Pokemon - Emerald Utrashman Rom Exclusive !!hot!!

The Elusive 1986 Pokémon Emerald Utrashman ROM: A Gaming Legend

Since "1986 Trashman" is the base game itself, a "deep review" covers the features of the original Pokémon Emerald:

Most believe the ROM was a sophisticated "glitch art" project designed to simulate a parallel reality where Nintendo experimented with pocket monsters decades before the Game Boy. However, the original 1986 pokemon emerald utrashman rom exclusive

When hunting for "exclusive" ROMs under such specific, strange keywords, players should exercise caution.

Should I describe a specific "lost" Pokémon from this version? The Elusive 1986 Pokémon Emerald Utrashman ROM: A

(U): This indicates the ROM is the United States (North American) English version.  Why is it "Exclusive"? 

1986 Pokémon Emerald Utrashman ROM Exclusive — Handbook

Note: This handbook is a creative, self-contained guide for a fictional/alternate-reality ROM concept combining elements of 1986 aesthetics with a Pokémon Emerald–style game and a fictional “Utrashman” exclusive. It treats the subject as a playable fan ROM concept and world-building exercise. It does not provide instructions for piracy or ROM distribution. A fake or misnamed ROM hack circulating on

1. A fake or misnamed ROM hack circulating on unofficial forums.
2. A mistranslation or memory error combining Pokémon, Ultraman, and a retro year.
3. A conceptual or joke post from a fan site.

So, how does a ROM of a GBA game exist with a "1986" timestamp?