From CloudModding OoT Wiki
Actor 0x0070
Version VRom VRam Size
Debug 00D51C60 00D51DC0 {{{ram-start}}} {{{ram-end}}} 160
NTSC 1.0 00CBAC70 00CBADD0 {{{ram-start}}} {{{ram-end}}} 160
PAL MQ 00CFC610 00CFC770 {{{ram-start}}} {{{ram-end}}} 160

ovl_Door_Toki is the actor that manages the collision model for the Door of Time. It is spawned by ovl_Demo_Kankyo, an actor that spawns various objects within the Temple of Time, specifically when ovl_Demo_Kankyo is set to take form of the Door of Time.