45x45 pixel abstract on digital canvas; created on 9/27/2025 = 27/09/2025 as an offcut to "45 squared: Everywhere-is-Square Day"; and stored fully onchain via Efficax.
This was the first visual test of the relative magnitudes of the three squares in the day's date:
45² = 2025 3045² = 9272025 5205² = 27092025
QED