If you are looking for the definitive resource on why CHD (Compressed Hunks of Data) is the standard for PSX ROMs, especially regarding the "verified" status from preservation groups like Redump, the "gold standard" paper is not a single academic journal article, but rather the technical documentation provided by the preservation community.
chdman (MAME’s compression tool).verified PSX CHD ROMs , you typically want files that originated from chd psx roms verified
CHD is a file format used for storing data from hard disk drives and CDs in a compressed form. When it comes to PSX games, CHD files can be used to store game data in a way that is optimized for emulation. This format is particularly beneficial for PSX ROMs because it can significantly reduce the file size of the games, making them easier to download and store. If you are looking for the definitive resource
Unlike lossy formats, CHD preserves every bit of the original disc data. Single File Management: These programs use the DAT files (the database
In the world of retro emulation, space is cheap, but your time is not. Verified CHD PSX ROMs save you both.
Verified to have the correct data checksums so that the emulator reads it exactly like the original plastic disc. How to Use CHD Files
A single PSX game in BIN/CUE format is large. A standard 700MB CD-ROM becomes a 700MB BIN file. If you have a library of 500 games, you are looking at roughly 350GB of data. Furthermore, BIN/CUE uses two files per disc, leading to cluttered folders and broken files if the CUE sheet goes missing.