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C770 — Identify a recoverable shared source object

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Study sequence: Rounded residual fields and counting (C749–C771) · Rounded chronology

C770 — Identify a recoverable shared source object

Question

What must accompany Rounded to preserve the original family?

Inputs

{}

Sources

[
  "C754–769"
]

Opened utc

2026-09-28T01:58:40.489217+00:00

Results

{
  "reconstruction": "Actual boundary = Rounded boundary − D; actual row = rounded row − e",
  "affine_obstruction": {
    "fixed_dates": [
      1406,
      1526
    ],
    "moved_date": [
      1663,
      1661
    ]
  },
  "retained_data": [
    "ordered source rows",
    "typed path and terminal",
    "mode selector",
    "rounding residual field"
  ]
}

Finding

Rounded plus its residual field recovers Actual exactly. Rounded alone loses information; no one affine date map works, since two fixed dates force identity while Amram moves.

Reassessment

Integrate the 40-step checkpoint and move to finite variant configurations.

Checks

{
  "all_reconstructed": true,
  "two_fixed": true,
  "nonidentity": true
}

Closed utc

2026-09-28T01:58:40.489528+00:00

Record provenance

Exact record hash: ef5dcc23f56156470f8e22dfe0a204c11dad7e8b4e1b1f8fc182bf3345ba596e

Source journal: Research_Cycles/C0732_C0831/journal.json

Edition and provenance

C770.md

SHA-256 17e8e4704347ce9405ba3344666848e74bc5404cf61c7b1b24c6fc669d529d5d

C480–C1634/Research_Cycles/C0732_C0831/journal.json#C770