# C986 — Second calibration compatibility

## Question

Does the336/364 and last-twenty-sixth pair recover the same E?

## Inputs

```json
{}
```

## Sources

```json
[
  "C984",
  "File63 §§7.3–7.4"
]
```

## Opened utc

2026-09-28T03:52:37.184442+00:00

## Results

```json
{
  "solution": [
    "25/23",
    "300/299"
  ],
  "determinant": -8372
}
```

## Finding

The second retained pair recovers the same E and J=300/299. The agreement concerns compatibility of calendar and allocation constraints, not a fresh derivation from the partitions alone.

## Reassessment

Find the exact dependency among the four equations.

## Checks

```json
{
  "unique": true,
  "same_E": true
}
```

## Closed utc

2026-09-28T03:52:37.185008+00:00

## Record provenance

Exact record hash: `d8a292ad4d07891854d6e0caf09a4a88bb0b7ac50a057f1e5c4f8da98f7e2bf7`

Source journal: `Research_Cycles/C0932_C1131/journal.json`