Panoptica's "04/04 - Y Ahora/Esquirla (Panoptica Mix)" is a 10" vinyl single released in 2001 on Certificate 18 label. Produced by Roberto Mendoza, the record features deep house and minimal techno styles, reflecting the artist's affiliation with the Nortec Collective from Tijuana, Mexico. Known for their Mexican dance music, Panoptica delivers a blend of techno and house genres in this release, making it a notable addition for collectors and fans of electronic music.