Liodakis, I, Kiehlmann, S, Marscher, AP, Zhang, H, Blinov, D, Jorstad, SG, Agudo, I, Benítez, E, Berdyugin, A, Bonnoli, G, Casadio, C, Chen, C-T, Chen, W-P, Ehlert, SR, Escudero, J, Grishina, TS, Hiriart, D, Hsu, A, Imazawa, R, Jermak, HE et al, Jose, J, Kaaret, P, Kopatskaya, EN, Lalchand, B, Larionova, EG, Lindfors, E, López, JM, McCall, C, Morozova, DA, Palaiologou, E, Pandey, S, Poutanen, J, Rakshit, S, Reig, P, Sasada, M, Savchenko, SS, Shablovinskaya, E, Neha, S, Shrestha, M, Steele, IA, Troitskiy, IS, Troitskaya, YV, Uemura, M, Vasilyev, AA, Weaver, Z, Wiersema, K and Weisskopf, MC Testing particle acceleration in blazar jets with continuous high-cadence optical polarization observations. Astronomy & Astrophysics. ISSN 0004-6361 (Accepted)