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C50 — Endpoint atlas for the full 6877 constructions

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Study sequence: Extended 529 Mirror graph and endpoint atlas (C23–C52) · Mirror & 529

C50 — Endpoint atlas for the full 6877 constructions

22 September 2026 · Step 28 of the authorized 30-step Mirror continuation (C23–C52).

The two complete Creation expansions retain their actual paired endpoints:

BranchSP CreationMT FloodSP companion deathMT NoahSP Noah
N024420t/4419n BCAD 2458t/2459nAD 2757t/2758nAD 3056t/3057nAD 3706t/3707n
N044418t/4417n BCAD 2460t/2461nAD 2759t/2760nAD 3058t/3059nAD 3708t/3709n

Their consecutive widths are 6877, 299, 299, 650. Creation remains in its fixed SP Normal/G2 field. All later points in this display are canonical reflections of the qualified regular event or person stations. The SP companion death is not a one-year uncertainty attached to the Flood.

The enclosing and extended Mirror intervals are:

BranchPathLeft pairRight pairWidth
N02Creation 134420t/4419n BCAD 2458t/2459n6877
N02intersection 155288t/5287n BCAD 2648t/2649n7935
N02Noah 175288t/5287n BCAD 3706t/3707n8993
N02Shem–Noah 196346t/6345n BCAD 3706t/3707n10051
N02mixed 205294t/5293n BCAD 5287t/5288n10580
N02right 225294t/5293n BCAD 6345t/6346n11638
N04Creation 134418t/4417n BCAD 2460t/2461n6877
N04intersection 155286t/5285n BCAD 2650t/2651n7935
N04Noah 175286t/5285n BCAD 3708t/3709n8993
N04Shem–Noah 196344t/6343n BCAD 3708t/3709n10051
N04mixed 205296t/5295n BCAD 5285t/5286n10580
N04right 225296t/5295n BCAD 6343t/6344n11638
N01joined 246351t/6350n BCAD 6346t/6347n12696

The labels c/u refer to cumulative LXX OFF Flood / native-ON Shem; v is the retained alternate MT Flood, and A is MT cumulative restored-ON Flood. Those profile distinctions remain part of the endpoint identity even when coordinates or widths agree.

The 24-fold row is deliberately shown on N01. It belongs to the same synthesis but does not complete the missing MT Noah station there. N02/N04 supply the full 6877 branches and their associated 19/22 paths; N01 supplies the joined 24-fold chain and a valid simple 13-fold interval.

This atlas is a concrete result of the continuation, with every displayed interval tied to source-qualified endpoints. It is not a list of unconstrained multiples of 529.

Validation. 17 exact arithmetic/structural checks passed. The ten 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 §3.1 (paired Mirror); File_18 §§2.1.3, 3.1–3.2, 6B and 6D (qualified regular and cumulative fields); frozen C15 typed graph, C16 domain certificate, and C22 reduced scale/constraint certificates.

Best next bounded step — High sufficient. Test whether preserving every displayed family width is enough to preserve the source bindings.

Linked sources and evidence

Edition and provenance

490d_C50_Mirror_Report_20260922.md

SHA-256 6d4b13bf9e8a07fc16a13c07497b4a8cda6bf1e6a5d146b175dc00cb8223ac05

C01–C479/reference/490d_C01_C265_Complete_Window_Archive_20260923.zip!/workspace/mirror_30_step_campaign_20260922/C50/490d_C50_Mirror_Report_20260922.md