A few weeks back I released another paper, entitled Zep Tepi Mathematics 101, which I thought was an appropriate title, but it looks like it was a bad choice and is not appealing to the target market.
The first part is actually a simple explanation of how the Giza site was laid out, using mostly √2, √3, and √5. No Orion required.
You can find the latest version at Zenodo (current version is 1.1.0), and also at Academia.
Here are some of the more important images discussed:
Six pyramids aligned, 55.5k BCE