You want a small-file-size (.portable), high-definition (1080p) copy of the rare, uncropped (openmatte) television version of Titanic (1997), using audio from the official high-definition disc release (bluray).
It is a technical unicorn. Does it exist? In underground fan-editing circles, yes—versions like Titanic: The Open Matte Reconstruction circulate. However, acquiring it requires navigating the dark corners of the internet at your own legal and cyber-security risk. i download portable titanic1997openmatte1080pblura
Therefore, a file labeled 1080p Bluray Open Matte cannot be a direct rip of a commercial disc. It implies a or Hybrid . You want a small-file-size (