This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
OctonionMultiplicationTable. An octonion multiplication table with characteristic antisymmetry about diagonal own April UTC Machine Elf talk created this free image for use in the public domain cczero Octonions
Page 2023 Free-images.com. All images are Public Domain