Matches: http://redump.org/disc/2134/

Common Disc Info:
    Title: Mega Man 8
    Disc Number / Letter: 
    Disc Title: 
    System: Sony PlayStation
    Media Type: CD-ROM
    Category: Games
    Matching IDs: 2134
    Region: USA
    Languages: English
    Disc Serial: SLUS-00453GH

    Ringcode Information:
        Data Side Mastering Code (laser branded/etched): 
        Data Side Mastering SID Code: 
        Data Side Toolstamp or Mastering Code (engraved/stamped): 
        Data Side Mould SID Code: IFPI 5100
        Data Side Additional Mould: 
        Label Side Mould SID Code: 
    Barcode: 
    EXE/Build Date: 1997-01-09
    Error Count: 1
    Comments:

[T:ISN] SLUS-00453
[T:VOL] MEGAMAN8
Anniversary Collector's Edition on the front art has a seal "FULL-COLOR ANTHOLOGY BOOKLET ENCLOSED".

    Contents: 

Version and Editions:
    Version: 
    Edition/Release: Greatist Hits

EDC:
    EDC: No

Extras:
    Primary Volume Descriptor (PVD):

0320 : 20 20 20 20 20 20 20 20  20 20 20 20 20 31 39 39                199
0330 : 37 30 31 30 39 31 34 34  37 35 39 30 30 24 30 30   7010914475900$00
0340 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 00 30   00000000000000.0
0350 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 30 00   000000000000000.
0360 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 30 30   0000000000000000
0370 : 00 01 00 00 00 00 00 00  00 00 00 00 00 00 00 00   ................

Copy Protection:
    Anti-modchip: No
    LibCrypt: No

Tracks and Write Offsets:
    DAT:

<rom name="MEGAMAN8 (Track 1).bin" size="334209792" crc="3a90c786" md5="4e9e6dcf27ea0e15c5f4d1f93c800378" sha1="21616c788d6bfc4a16c944a4cda1a1862b8bcda8" />
<rom name="MEGAMAN8 (Track 2).bin" size="47030592" crc="9bf32be4" md5="a75dcbb5c831a966c47563e7ea4150c9" sha1="70e4bddd2a67ab7e2ccea0c836c7e9190f307241" />
<rom name="MEGAMAN8 (Track 3).bin" size="37396800" crc="7976083e" md5="2d7b5e8e94a91bf5423b2356f6a34863" sha1="d9f92af296360772e62caa4cb276de3fa74f5538" />

    Cuesheet:

FILE "MEGAMAN8 (Track 1).bin" BINARY
  TRACK 01 MODE2/2352
    INDEX 01 00:00:00
FILE "MEGAMAN8 (Track 2).bin" BINARY
  TRACK 02 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:02:00
FILE "MEGAMAN8 (Track 3).bin" BINARY
  TRACK 03 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:02:00

    Write Offset: 2

Logs: https://drive.google.com/file/d/14jyeRY … sp=sharing

Hello.

Have you tried reading remaining ring codes in some way?
You can try using CIS scanner if you have one: https://youtu.be/HfOSmGjvs8w