She laughed. It was astrology for physicists. Pseudoscience dressed in a PDF.
This is what the human sees. Text, vectors, and raster images. On the surface, it looks like any other PDF. However, every visual element is tagged with a unique StarID . staradigm pdf
Hidden within the object streams of the PDF is a compressed JSON-LD (Linked Data) block. This block contains the "fact table." For example: She laughed