Evidence for the maximally entangled low x proton in Deep Inelastic Scattering from H1 data Martin Hentschinski and Krzysztof Kutak Eur. Phys. J. C, 82 2 (2022) 111 Published online: 04 February 2022 DOI: 10.1140/epjc/s10052-022-10056-y