While quite a few people have this record, I believe this is the first full video proof of it. Goldeen is very luck-based as each time you throw an item into the water, you need it to spawn a Pokemon, have it be Goldeen, and then get the uncommon sparkling variant. Then once you find one, you still have to get the perfect shot. Very happy to get this one!
To make this grind less tedious, I was taking pictures of a few other Pokemon along the way and actually improved my casual Magikarp score as well lol.
I think you're right about this being the first full vid proof. Nice to see one, GG. Bit of a tedious grind lol