I was just looking at this paper of his per your comment: https://arxiv.org/pdf/2210.01560.pdf https://arxiv.org/pdf/2210.01560.pdf You know, looking at figure

I was just looking at this paper of his per your comment: https://arxiv.org/pdf/2210.01560.pdf https://arxiv.org/pdf/2210.01560.pdf You know, looking at figure 2 and 3 I was thinking so sure it is a mapping structure but really looks like a tiny tiny database! I had no idea phfs were so involved structurally. Reminds me of delicate tiny clockworks.