# C1380 — Record fifth-block delivery progress

## Question

What is finished and what concrete work remains?

## Inputs

```json
{}
```

## Sources

```json
[
  "C1332–C1379",
  "prep/technical_review_v1.md"
]
```

## Opened utc

2026-09-28T06:42:03.758359+00:00

## Results

```json
{
  "progress": {
    "path": "model/block5_delivery_progress.json",
    "sha256": "655d03ef7d8dc1fb3fd59d272433f5afa55e5ee6ab6169597282de41cd01f0df",
    "bytes": 844
  }
}
```

## Finding

The fifth block has produced the complete explanatory manuscript and its supporting structures. Remaining work is bounded editorial closure, usable final artifacts and verification.

## Reassessment

Close the fifth fifty-action checkpoint and reread the entire Strategy.

## Checks

```json
{
  "delivery_defined": true,
  "no_new_campaign": true
}
```

## Closed utc

2026-09-28T06:42:03.759476+00:00

## Record provenance

Exact record hash: `b89d29dfdb657fd42e0c62e43f0a241358697ad132ea37673f95e715dd51ad50`

Source journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`