The Shemsu Hor Hypothesis: A Continuation – What Egypt Remembered (Zep Tepi Series, Paper III)

Paper III completes the core argument of the Zep Tepi Series. Paper I identified the Richat Structure in Mauritania as the sole surviving candidate Saharan origin site through systematic elimination of 14 formations. Paper II documented genomic endpoints at both corridor termini (Takarkori → Nuwayrat) and the Wedjat as a sky-schema encoding the Canopus gradient observed during northeastward migration. Egypt itself preserved a consistent answer to the question of its origins: the Shemsu Hor (Followers of Horus). They occupy a non-optional structural slot in Egyptian king-list architecture across fifteen centuries of independent sources: the Turin Royal Canon, Pyramid Texts, state inscriptions, and temple-building traditions. Later pharaohs cite their written annals. Ptolemaic builders cite a goatskin scroll from their time containing architectural plans. This archival specificity has no parallel in any other ancient king-list tradition. Four primary lines of evidence: Archaeological: Five Saharan pastoral markers appear together at the HK6 elite cemetery at Hierakonpolis within the 3800–3100 BCE window, supported by skeletal morphological diversity that requires population movement rather than diffusion. Astronomical: A statistically significant Canopus orientation family appears across 350+ Egyptian temples (Shaltout/Belmonte surveys), tracking precession over 2,000 years — a pattern the survey authors explicitly state they cannot explain from conventional frameworks. Chronological: Three independent chronologies (climate, textual, archaeological) converge on the 3800–3100 BCE window. Textual: The Edfu Building Texts preserve a migration narrative with no parallel in any other Ptolemaic temple corpus: a named western homeland destroyed by cataclysm, survivors carrying exclusive architectural knowledge eastward, and a Horus falcon ancestor cult. Six methodologically independent lines — paleohydrology, genetics, archaeology, archaeoastronomy, textual criticism, and climate chronology — converge on the Saharan corridor migration model as the most parsimonious explanation for the attested data. The model does not claim demonstration. It establishes priority for decisive tests using existing museum collections: isotopic and aDNA analysis of Predynastic elite contexts, geochemical sourcing of Naqada II hard-stone vessels against the Richat carbonatite signature, and A-Group aDNA. This is the third paper in the Zep Tepi Series. Related works: Paper I (The Richat Structure as the Saharan Origin Site): https://doi.org/10.5281/zenodo.19087851 Paper II (Genomic Endpoints and the Wedjat Sky-Schema): https://doi.org/10.5281/zenodo.19046278