A Rubik's Cube puzzle has been solved by a robot in less than 1.2 seconds in a posted YouTube video, unofficially breaking the Guinness World Record. Two American engineers built the machine using a group of motors, 3D-printed parts, and webcams.

Jay Flatland and Paul Rose are Kansas City software engineers. Flatland recorded the fastest time of 1.04 seconds after using a piece of paper to cover the robot's cameras and scrambling the cube puzzle.

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The robot works on a Rubik's Cube with holes in each side so it can grip it better. The robot's four USB webcams collect data and then transmit it to a computer that uses the "Kociemba" cube-solving algorithm to figure out a series of moves to solve the Rubik's cube as fast as possible, according to NPR.

Guinness World Records is considering the robot's fastest clocked time to determine if it will be certified as a new world record. The robot's inventors hope the process will be completed next week.

The current Guinness World Record for solving a Rubik's Cube is 4.9 seconds. A 14-year-old Kentucky boy set the record last November, beating the Cubestormer 3 robot's world-record time of 3.2 seconds.

The robot had shattered the world record for the fastest Rubik's Cube solution in March 2014. It was at the Big Bang Fair in Birmingham, United Kingdom.

The third-gen robot was built for speed and smashed Cubestormer 2's record by about two seconds. Its Samsung Galaxy S4 brain included several processors that controlled eight Lego Mindstorms motors, according to Gizmodo.

Cubestormer 3's smartphone brain first analyzed the cube's original arrangement. It then informed the robot's four arms to perform each step to solve the cubic puzzle.

The android used a special speed cube. That allowed the robot hands to do fast and smooth twisting moves even when the sides were not lined up perfectly.

Rubik's Cube was invented in 1974 when a Hungarian named Erno Rubik created the design for "Magic Cube." After he received a patent for his invention in 1977 the toy went on sale in Hungary.

The puzzle became known as the Rubik's Cube when Ideal Toys imported the toy to the United States in 1980. Since then it has sold over 350 million units. 

Here's a video of the record-breaking robot solving a Rubik's Cube.