File_52f — Rounded Whole-Span Inverse Detailed Study, with LXX/SP Appendix D

This source develops Rounded whole-span inversions, their narrative correspondences, the 529 family, the 6 BC concentration, and the 12026 BC relation between Actual regular and cumulative chronology. Appendix D compares the LXX inverse spines and the accepted SP Fall construction.

Source status: Revised canonical integration edition, October 7 2026. The historical report pressure test and later bounded verification retain their recorded scopes; the file is not separately marked Final.

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The research draft used the tentative identifier File_52c. It is now identified as File_52f to preserve the distinct File_52c second-order study. Earlier cited research editions retain their original names and source hashes.

Companion sources: File_51a — Rounded Scaffold; File_52a — Inverse-Number Architecture; File_52b — Technical Tables. Full canonical source index.