The Information-Metric Hypothesis: Emergent Spacetime from Holographic Entanglement through Einstein-Rosen Bridges

We propose a framework in which four-dimensional spacetime, its gravitational dynamics, cosmological constant, and observed CMB anomalies all emerge from a single mechanism: the holographic entanglement spectrum of an Einstein-Rosen bridge connecting our universe to a parent AdS5 spacetime. From five axioms and one physical input (ξ = r+/ℓ ≈ 0.55), the framework derives with zero fitted parameters: the CMB angular power spectrum at low multipoles (χ² = 0.651 for l = 2–5), the sign and scaling of the cosmological constant (Λ4 = c·π⁵ξ⁶J/S_BH², with J = 7.58 nats), the dark energy equation of state w = −1 exactly, and nine a priori predictions (seven confirmed by Planck 2018, two testable). The prefactor c = 1/(16π²) is derived from first-principles one-loop QFT, yielding ℓ ≈ 35 μm and a Yukawa gravitational signature (α ≈ 2, λ ≈ 11 μm) within reach of next-generation sub-millimeter experiments.