# C1556 — Verify stage compatibility for the whole named family

## Question

Does prepending1400 preserve every internal suffix and partition difference in all21 constructions?

## Sources

```json
[]
```

## Opened utc

2026-09-29T02:38:54.175805+00:00

## Results

```json
{
  "MT": {
    "F": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "S": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "N": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FS": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "SN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FSN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    }
  },
  "LXX": {
    "F": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "S": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "N": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FS": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "SN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FSN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    }
  },
  "SP": {
    "F": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "S": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "N": {
      "suffix_displacements": [
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FS": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "SN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    },
    "FSN": {
      "suffix_displacements": [
        2700,
        2700,
        2700,
        2700,
        2700
      ],
      "total_head_change": 2700
    }
  }
}
```

## Finding

Every suffix node shifts2700 in all21 paths. Hence the local refinement laws apply unchanged in either held-anchor context.

## Reassessment

Record theSP completed-source relation as a consequence of the same law.

## Checks

```json
{}
```

## Closed utc

2026-09-29T02:38:54.176188+00:00

## Record provenance

Exact record hash: `67022f4f0f4b9153439e0615b53a060b98f9eb9ff6589df9af6cc84d3aaa3f7c`

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