# C1444 — Test MT_regular at Noah and Flood

## Question

Do the two named coarse partitions and the path retaining both source nodes have the same inverse head?

## Sources

```json
[
  "Registered MT_regular source",
  "Named600 hinge source review"
]
```

## Opened utc

2026-09-29T01:14:19.268394+00:00

## Results

```json
{
  "Flood": {
    "source_legs": [
      1050,
      1650
    ],
    "images": [
      5010,
      5610
    ],
    "path2": [
      1406,
      6416,
      12026
    ],
    "path3": [
      6,
      4106,
      9116,
      14726
    ]
  },
  "Noah": {
    "source_legs": [
      1650,
      1050
    ],
    "images": [
      5610,
      5010
    ],
    "path2": [
      1406,
      7016,
      12026
    ],
    "path3": [
      6,
      4106,
      9716,
      14726
    ]
  },
  "Both": {
    "source_legs": [
      1050,
      600,
      1050
    ],
    "images": [
      5010,
      600,
      5010
    ],
    "path2": [
      1406,
      6416,
      7016,
      12026
    ],
    "path3": [
      6,
      4106,
      9116,
      9716,
      14726
    ]
  }
}
```

## Finding

MT Regular keeps its established head under Flood-only, Noah-only and the path retaining both nodes.

## Reassessment

Apply exactly the same600-year change to native LXX.

## Checks

```json
{
  "expected_heads": true,
  "same_source_total": true
}
```

## Closed utc

2026-09-29T01:14:19.268907+00:00

## Record provenance

Exact record hash: `4ff94781f626a92c4cae7daa2afbd4748d281b0ef5e6ac367c2e7380cc0daf75`

Source journal: `Research_Cycles/C1433_C1482/journal.json`