C101 — The fixed fields uniquely select the apparent Creation and Joseph closing pair
22 September 2026 · Step 9 of the authorized ten-step Mirror continuation (C93–C102).
The first 12-fold interval is uniquely selected within the held fields. Apparent Creation has BC magnitudes 4444…4451; the original Joseph head envelope is 1904…1911. A6348 Mirror width requires J=6348−C. Combining the two field conditions gives only
| Apparent Creation BC | Required Joseph target | Inside the original Joseph field |
|---|---|---|
| 4444 | 1904 | True |
| 4445 | 1903 | False |
| 4446 | 1902 | False |
| 4447 | 1901 | False |
| 4448 | 1900 | False |
| 4449 | 1899 | False |
| 4450 | 1898 | False |
| 4451 | 1897 | False |
The three actual targets 1904,2456,3056 also reconstruct the affine map without inserting 529 into the fitting calculation. Writing y=r x+c for two successive transitions gives
The two equations determine the two affine parameters uniquely because the first two targets are distinct. The resulting anchor coincides with the retained apparent closing member. After specifying the 12-fold label, the base width gives(1904+4444)/12=529.
These are conditional source reconstructions, not independent proofs of the multiplier or historical intention: the fixed fields, three target records and 12-fold comparison have already been selected. Their value is that the source constraints and the fitted map agree without an extra free anchor.
As a bounded selector control, the neighboring actual Joseph envelope member 1905 maps 25/23 beyond the required Flood 2456 under this same anchor and ratio. It cannot be rounded to a nearby annual Flood record. Broad Joseph-field membership therefore does not make every member interchangeable in this ladder.
The unique field intersection and exact map preserve the original derived 1904 classification. No new source field, regular Gear, apparent-age shift or historical event season is introduced.
Validation. 8 exact arithmetic/structural checks passed. The 20 frozen dependencies passed hash verification; all three generated outputs replayed byte for byte in isolation, and the original dependencies remained unchanged. This step reads completed certificates and does not execute their campaigns.
Scope and provenance. Controlling File_18 and File_09 remain unchanged. Regular Gears apply only to Noah/Shem/Flood; SP person companions only to Noah/Shem. Creation and Conquest fields remain fixed. Native LXX ON, explicitly derived OFF, independent Flood start/close, and paired suffix inversion at January AD 1 remain in force. No civil year zero, upstream Gear transport, primers, Rounded campaign, or localized −33 is introduced. These are new continuation reports, not recovered historical Reports 11–25. Evidence is conditional on the supplied project model, not a proof of literary intention or independent historical dating.
Source locators. File_09 §3 and Appendix A (paired Mirror and exact phase); File_18 §§2.1.3, 2.4, 3.1 and 6/6A (regular fields and cumulative collateral source); File_61 §§3.3–3.4, 11.1–11.4 and 14.3 (fixed Jacob events, original Joseph portion and its 500-year Conquest comparison); File_62 collateral-scope guards; C01/C05 retained endpoint and apparent-field results; frozen C15/C43/C65/C67/C68/C74–C76/C86/C89/C92 dependencies (source, phase and family controls). The declared phase model does not infer an unstated birthday or event month from an annual source row.
Best next bounded step — High sufficient. Integrate the completed apparent 12-fold ladder, its two triangles and the typed 11/12/13 grid into the C102 restart checkpoint.