Hello there!
I have a Phase One P65+ digital back.
In DT is not yet supported ("unknown format" error), and also in the list of
cameras supported by dcraw is unreported. However dcraw develops its files,
though not officially supported, and the results are very good, often better
than CP1 and LR.
There should be a fix for this as PR 1225
(https://github.com/darktable-org/darktable/pull/1225). The column # was
off by one from the column of the pixel being examined, hence the code
was reading the wrong color values from the X-Trans sensor pattern. As
hotpixels works by comparing a given pixel
