Optiarc DVD RW AD-5200A 1.09, 63:56 min burned at 32x speed
sold as "Verbatim 32x 74 min CD-RW"
ATIP: 97m34s25f
manufactured in Taiwan by CMC Magnetics
Thanks to Dr. Gough Lui for sending me some samples, he also conducted (as always, fantastic) testing of these media:
https://goughlui.com/2025/08/18/experim ... us-drives/