Toilet paper supply machine and identifiable toilet paper roll

A toilet paper supply machine, in which a toilet paper roll can be inserted, and the toilet paper supply machine is able to cut the inserted toilet paper roll to provide a piece of toilet paper, wherein the toilet paper supply machine comprises:

• a supply machine body comprising:
• a rear base for wall mounting;
• a front cover movably pivoted in front of the rear base;
• a paper outlet opening is provided below or in front of the front cover;
• two integral or assembled paper roll supporting bases provided in front of the rear base, wherein a storage space for storing a toilet paper roll is provided between the two paper roll supporting bases;
• a cutting device for cutting the toilet paper, wherein the cutting device is arranged in front of the rear base and below the two paper roll supporting bases, and wherein one side of the cutting device is provided with a manual knob rotating synchronously with the cutting device;
• a motion sensing device, wherein the motion sensing device is arranged on an inner surface of one of the two paper roll supporting bases;
• and
• a protruding ring provided in a center of one end of the toilet paper roll, wherein the protruding ring is provided with at least one through hole through which the motion sensing device can sense, wherein the toilet paper roll is placed between the two paper roll supporting bases, and wherein the through hole is adjacent to the motion sensing device to allow the motion sensing device to sense via the through hole.