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C673 — Test one-map compression of the phase family

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Study sequence: Phase brackets and micro/macro calendar completion (C672–C691) · Calendar Keys, phase & Sothic

C673 — Test one-map compression of the phase family

Question

Can one affine function change34 to40 while preserving every half-year phase separation?

Inputs

{
  "width_change": [
    34,
    40
  ],
  "phase_change": [
    "1/2",
    "1/2"
  ]
}

Sources

[
  "C672",
  "Supplement A §4.3"
]

Opened utc

2026-09-28T01:10:37.837145+00:00

Results

{
  "required_width_slope": "20/17",
  "required_phase_slope": 1,
  "false_global_phase_gap": "10/17",
  "role_specific_rule": "C+epsilon+(20/17)(x−C−epsilon)"
}

Finding

A single affine date map is impossible: width demands slope20/17, while the preserved phase separation demands slope1. The valid expression dilates around each phase’s own center. This explains why the full object needs a phase coordinate.

Reassessment

Compare the scalar34.5 Key input with the coordinate34-to40 construction.

Checks

{
  "incompatible": true,
  "phase_miss": true,
  "phase_specific": true
}

Closed utc

2026-09-28T01:10:37.837450+00:00

Record provenance

Exact record hash: acb88dbed3d675e012284caf3a98ebde7ef4e3ebf8c24677937e2a5ce1694f19

Source journal: Research_Cycles/C0632_C0731/journal.json

Edition and provenance

C673.md

SHA-256 9fc55595b09ecf2e53d0b2999c42f296bc0035d3e7ed849e719e322f3a4280b5

C480–C1634/Research_Cycles/C0632_C0731/journal.json#C673