Companion to Malevich, S. B., Vetter, L., and Tierney, J. E. (2019), Global Core Top Calibration of δ18O in Planktic Foraminifera to Sea Surface Temperature, Paleoceanography and Paleoclimatology, 34, 1292– 1315, doi:https://doi.org/10.1029/2019PA003576.