# C1536 — Place theSPFall in the prefix

## Question

Does theaccepted five-yearFall adjustment recover theprefix7130 andknown490 gap?

## Sources

```json
[]
```

## Opened utc

2026-09-29T02:36:15.949774+00:00

## Results

```json
{
  "SP_Creation_prefix": 7135,
  "SP_Fall_prefix": 7130,
  "head_minus_Noah": 7130,
  "MT_SP_difference": 490,
  "row_loss": 485
}
```

## Finding

SPFall gives7130=7135−5, preserving theknownMT–SP490=485+5 source difference aboveNoah.

## Reassessment

Freeze all seven nonempty named-cut selections before root execution.

## Checks

```json
{}
```

## Closed utc

2026-09-29T02:36:15.950026+00:00

## Record provenance

Exact record hash: `a47efa751f65cfe608c6ab227ce75aff39ccbbba0f91b9b087f429110e245a1d`

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