I can quite honestly think of no excuse for the use of OHC data in this context, when the net flux data should be available to the GISS researchers. (climateaudit.org)
I use integrated SSN departing from the phenomenologically determined ocean equilibrium value as a proxy for solar and cloud effects on OHC in this plot: (judithcurry.com)
The Otto study's TCR estimates for the 2000s would be unaffected by whether Levitus or ORAS - 4 is used for OHC estimates, is it not? (realclimate.org)