Einstein's Deep Insight on the Second Law of Thermodynamics as Foundation for the Theory of Entropicity (ToE)

The Theory of Entropicity (ToE), formulated by researcher John Onimisi Obidi and developed extensively through 2025, proposes a radical reformulation of fundamental physics where entropy is treated as the ontological substrate of reality. 

Based on writings from late 2025, the "preface" or core premise of the theory can be summarized by the following key ideas: 

• Entropy as a Fundamental Field: ToE argues that entropy is not merely a statistical tool or a measure of disorder, but a continuous, dynamic field (
  

  $S\left(x\right)$
  ) that acts as the underlying fabric of the universe.
• Emergent Reality: Spacetime curvature, gravity, mass, and the flow of time are not fundamental primitives. Instead, they are emergent projections or "shadows" of the underlying entropic field's gradients, flows, and spectral structures.
• The Obidi Action: ToE is built on a variational principle named the "Obidi Action," which serves as the foundational rule for how the universe optimizes its entropy flow, replacing the need for the Einstein-Hilbert action in certain contexts.
• Reinterpreting Relativity: The theory argues that the constant speed of light (
  

  $c$
  ) and relativistic effects like time dilation and length contraction are consequences of entropic resistance and the constraints imposed by the entropy field.
• Unification: ToE aims to unify thermodynamics, quantum mechanics, and general relativity by framing gravity as an "entropic force" or "entropic constraint" rather than just a geometric curvature of spacetime. 

The theory often highlights that it was motivated by Einstein's own belief that the second law of thermodynamics (entropy) would never be overthrown, elevating it above other physical laws. The theory is presented as an ongoing, developing framework focused on re-founding physics on entropic principles.