# C1505 — Identify a complete shared life interval

## Question

Do SP cumulative inverse Shem and LXX Regular Shem agree as an ordered edge?

## Sources

```json
[]
```

## Opened utc

2026-09-29T02:29:30.576369+00:00

## Results

```json
{
  "SP_inverse_cumulative_life": [
    3336,
    2736
  ],
  "LXX_regular_life": [
    3336,
    2736
  ],
  "SP_original_cumulative_life": [
    5316,
    4716
  ],
  "translation": -1980,
  "length": 600,
  "lower_role": "cumulative Shem-death/Flood seam; LXX regular Shem death"
}
```

## Finding

Both birth and death coordinates agree across this specified 600-year edge, completing the earlier birth-only incidence.

## Reassessment

Classify the second endpoint as completion of one correspondence, not a separate witness.

## Checks

```json
{}
```

## Closed utc

2026-09-29T02:29:30.576708+00:00

## Record provenance

Exact record hash: `7e57de39f301e14766ac1d26b3b04c17cb5de5581fcaaaad5b8ad5c362f6c8b3`

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