The SYK TENSOR Quantum Information Network (QIN): Dark Matter as Stable Bound States in the Chaotic Qubit Substrate with Predicted Relic Density ΩDMh2 ≈ 0.12

This white paper establishes dark matter within the SYK TENSOR Quantum InformationNetwork (QIN) as neutral, long lived composite bound states of unflavored Majorana qubits, protected by holographic tensor code distance d ≥ 5. Large scale numerical experiments (N = 32–64qubits, Hilbert dimension up to 232) confirm exponential lifetime suppression below the chaosenergy scale J, yielding a parameter free relic density ΩDMh2 ≈ 0.12 in precise agreementwith Planck 2018-2020 observations (ΩDMh2 = 0.120 ± 0.001). The mechanism requires nonew particles, extra dimensions, or ad hoc symmetries beyond the finite-capacity chaotic substrate already validated for maximal chaos (λL = 0.85 ± 0.12), holographic bulk reconstruction(ρ = 0.68±0.12), traversable wormhole information preservation (fidelity advantage 6.43-8.2×,p ≪ 10−12), and emergent gravity scaling (r = −0.94). Recent diagnostics resolved finiteN implementation artifacts in level spacing statistics, confirming GOE convergence in properMajorana embeddings and reinforcing the empirical foundation