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C642 — Reconstruct the no-Cainan companion

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Study sequence: Creation–Joseph calendar halves and Creation–Terah refinement (C632–C651) · Calendar Keys, phase & Sothic

C642 — Reconstruct the no-Cainan companion

Question

Which relations survive when the Creation rail alone moves130?

Inputs

{
  "standard_Creation": [
    4121,
    4114,
    4107
  ],
  "Joseph": [
    1885,
    1878,
    1871
  ],
  "standard_exposure": 4108
}

Sources

[
  "File70 §§6.1,6.6"
]

Opened utc

2026-09-28T00:59:33.175668+00:00

Results

{
  "span_family": [
    2210,
    2222,
    2236,
    2250
  ],
  "corresponding_spans": [
    2236,
    2236,
    2236
  ],
  "calendar_half_counts": [
    "221/18",
    "1111/84",
    "86/7"
  ],
  "shift_from_restored": 130
}

Finding

Removing130 preserves both7+7 rails and all their relative diagonals, giving2236 as the corresponding translation. It changes the calendar counts to nonintegers, so the restored state’s13/14/13 specialization is not automatic from rail shape alone.

Reassessment

Ask whether the fixed standard state and three-calendar conditions select130 as the least nonnegative correction.

Checks

{
  "companion": true,
  "shape": true,
  "counts_changed": true
}

Closed utc

2026-09-28T00:59:33.175833+00:00

Record provenance

Exact record hash: bfffe3745aa25cf6e552ea3071d48994bddd5bd76620a6756efff51414405fdc

Source journal: Research_Cycles/C0632_C0731/journal.json

Linked sources and evidence

Edition and provenance

C642.md

SHA-256 e57a1c83162e81657d357e10686a1ade13fe9ea10a31db7909c78160c2c100ed

C480–C1634/Research_Cycles/C0632_C0731/journal.json#C642