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C1217 — Locate the row where the rounding carry itself changes

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Study sequence: Source changes through Rounded values and residuals (C1213–C1222) · Rounded chronology

C1217 — Locate the row where the rounding carry itself changes

Question

Does rounded lifespan change always equal rounded begetting plus remaining-year changes?

Inputs

{}

Sources

[
  "C1214",
  "C1199"
]

Opened utc

2026-09-28T05:29:14.399115+00:00

Results

{
  "carry_change": {
    "path": "model/whole_genealogy_rounded_carry_change.json",
    "sha256": "9e64605b3c1b687ca5656ad9eb06a5cfe846fd29f54ea82de3a48bd97031fdc8",
    "bytes": 1422
  },
  "nonzero": [
    {
      "name": "Lamech",
      "carry_change": 5
    }
  ]
}

Finding

Lamech alone changes the carry, by+5. Its Rounded lifespan adjustment is−20, while its rounded remaining-year adjustment is−25; keeping the carry reconciles both constructions.

Reassessment

Summarize the whole-row route into Rounded chronology and select the next larger family connection.

Checks

{
  "onlyLamech": true,
  "sum5": true
}

Closed utc

2026-09-28T05:29:14.399680+00:00

Record provenance

Exact record hash: e172278e3603cd66a7bf10fdcbb9d2a8f3fc422b899c92b917e2732e3190c525

Source journal: Research_Cycles/C1132_C1431_Recovered/journal.json

Linked sources and evidence

Edition and provenance

C1217.md

SHA-256 afc127037ccbe4698c5c4ce1d20b7d7fb9f9e24a8dd8bbad42cf4cfa1df7ac2b

C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1217