# C765 — Accumulate the splitting defect as a field

## Question

What happens if rounded theoretical lifespans are accumulated instead of rounded whole lives?

## Inputs

```json
{}
```

## Sources

```json
[
  "C750–753; diagnostic operator comparison only"
]
```

## Opened utc

2026-09-28T01:57:20.755588+00:00

## Results

```json
{
  "fields": {
    "path": "model/splitting_defect_fields.json",
    "sha256": "4321928895655ea15e0338966a6568fec38a15d73b1a07847a5736d4d60f8590",
    "bytes": 1740
  },
  "head_defects": {
    "MT_native_OFF": -10,
    "LXX_native_ON": -15
  },
  "scope": "operator diagnostic over local biographies; not a licensed replacement cumulative chronology"
}
```

## Finding

Parts-rounding and total-rounding differ over whole fields: MT head−10, LXX−15 on the common admitted biography domain. A constant endpoint correction cannot reproduce their internal jumps.

## Reassessment

Derive how two rounding fields modify the regular–cumulative bridge.

## Checks

```json
{
  "MT": true,
  "LXX": true
}
```

## Closed utc

2026-09-28T01:57:20.756269+00:00

## Record provenance

Exact record hash: `65f0501977d9ad68f76016c0178dc9264e58ec3cdcb61e3b9a7b6d07349a9dbf`

Source journal: `Research_Cycles/C0732_C0831/journal.json`