Earth-103

Earth-103 is the dimension where Ben 10: The New Era and its sequels take place. In the multiverse, it is closest to Earth-333.

Timeline 1
This is one of the many "Canon Timelines" in the Multiverse. This is where Omniverse takes place. Unlike the real canon, Ben 10,000 doesn't have the Biomnitrix

Timeline 2
This is where Ben 10: The New Era takes place.

Differences from Canon Timeline

 * Omniverse happened differently.
 * It has many elements from previous series that BTF3 has worked on.

Timeline 3
This is Nega Ben's timeline.

Dimension 3
This is the dimension Mad Ben resides in.

Dimension 23
This is the dimension Ben 23 resides in.

Etymology
103 comes from a combination of the only digits in Ben10fan3, 10 and 3.