The AXA rig is a unique 360 camera rig that comes in three sizes to accommodate various high-end cameras such the Black Magic Micro Studio 4K, Arri Alexa Mini, and Sony UMC-S3C. Radiant Images posted a sample video from a version of the rig that uses the Arri Alexa Mini, but the sample seems to show that stitching will be a problem.
Here is the video:
As expected, the video shows excellent detail. However, with the understandably large distance between the cameras, stitching is going to be a challenge, as these crops show from the video: