The 2019 24/96 FLAC of Opiate is a genuine, excellent remaster from the original analog tapes. However, the audible benefit over the 2019 16/44.1 version is negligible for 99% of listeners. Buy it only if you have a high-end DAC and enjoy the idea of having the highest resolution possible.
It sounds like you're looking for regarding the specific digital release: Tool – Opiate – 2019 – FLAC 24-bit/96kHz . Tool - Opiate -2019- -FLAC 24-96-