C1547 — Trace theMT/LXX prefix difference to Lamech

Question

Which source lifespan causes the20-year prefix difference?

Sources

[
  "File18.md selected753 decision",
  "File51a.md roundingrule"
]

Opened utc

2026-09-29T02:37:40.585065+00:00

Results

{
  "rounded_differences": [
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    -20
  ],
  "actual_Lamech": [
    777,
    753
  ],
  "rounded_Lamech": [
    775,
    755
  ],
  "prefixes": [
    7620,
    7600
  ]
}

Finding

The first eight rounded preNoah lives agree; selected Lamech775 versus755 accounts for the entire−20 prefix difference.

Reassessment

Inspect how that small difference changes the retained trailing-zero register.

Checks

{}

Closed utc

2026-09-29T02:37:40.585339+00:00

Record provenance

Exact record hash: eb46cb62e228fef440399b09dad7a03500cf921a95c557f53f8ae01e37004eea

Source journal: Research_Cycles/C1483_C1582/c1483_c1582/journal.json