We report the first hardware-executed quantum-classical coordination pipeline on NISQ hardware for a societal coordination problem task-to-member matching in a 500-agent community economy. The three-stage architecture (AI decomposition → 19 qubit quantum semantic scoring on IBM Heron R2 classical QUBO assignment) executes end-to-end on three Heron R2 processors (ibmfez, ibmₘarrakesh, ibmₖingston). We observe a three-tier regret stratification: (i) a noiseless ceiling at 1. 48% (five independent simulator controls + ibmₘarrakesh), (ii) a classical-kernel tier at 0. 86% via the Shin–Teo–Jeong (2024) dequantization kernel Kc, and (iii) a hardware tier at 0. 61% reproduced independently on ibmfez and ibmₖingston with identical θ. Since Kc's RKHS provably contains the quantum kernel's RKHS at logical depth, the hardware tier is a reproducible operating regime outside the dequantized function class. A companion multi-cycle society-model experiment shows pipeline weight choice is a time-horizon-dependent policy decision; the QUBO matcher also acts as a performative Granovetter machine (80% more weak ties than greedy, p = 9. 1 × 10⁻⁵, d ≈ 27 at n = 10 runs).
Ariel J. Sandez (Fri,) studied this question.