Parameter-free Hubble constant from the quadruply lensed quasar SDSS J1004+4112 Joseba Martínez-Arrizabalaga, Jose M. Diego and Luis J. Goicoechea A&A, 682 (2024) A187 Published online: 27 February 2024 DOI: 10.1051/0004-6361/202348066