Transit timings variations in the three-planet system: TOI-270 by Kaye, L, Vissapragada, S, Gunther, MN, Aigrain, S, Mikal-Evans, T, Jensen, ELN, Parviainen, H, Pozuelos, FJ, Abe, L, Acton, JS, Agabi, A, Alves, DR, Anderson, DR, Armstrong, DJ, Barkaoui, K, Barragan, O, Benneke, B, Boyd, PT, Brahm, R, Bruni, I, Bryant, EM, Burleigh, MR, Casewell, SL, Ciardi, D, Cloutier, R, Collins, KA, Collins, KI, Conti, DM, Crossfield, IJM, Crouzet, N, Daylan, T, Dragomir, D, Dransfield, G, Fabrycky, D, Fausnaugh, M, Gan, T, Gill, S, Gillon, M, Goad, MR, Gorjian, V, Greklek-McKeon, M, Guerrero, N, Guillot, T, Jehin, E, Jenkins, JS, Lendl, M, Kamler, J, Kane, SR, Kielkopf, JF, Kunimoto, M, Taylor, J