2022.12.09 01:29 "[Tiff] How to write multi-file TIFFs", by L. E.
Segovia
Thread
2022.12.10 12:44 "Re: [Tiff] How to write multi-file TIFFs", by John
It should work. I made you a tiny demo prog:
https://gist.github.com/jcupitt/912b0da1c95b615152fa0fbd6e4cc821
It builds and runs without error, and the result loads into gimp as a 10 page document (or 10 layer image).