# C1521 — Locate the first-stage70 grid

## Question

How does the common7700 edge appear from the6 BC reference?

## Sources

```json
[]
```

## Opened utc

2026-09-29T02:30:54.984105+00:00

## Results

```json
{
  "origin": 6,
  "unit": 70,
  "first_stage": {
    "2736": 39,
    "10436": 149
  },
  "head_minus_junction_units": 110,
  "completed_grid": {
    "5436": 70,
    "13136": 180
  },
  "grid_increment": 31
}
```

## Finding

The first-stage pair is39/149 units from6; the completed pair is70/180 from536. Both retain110 units, and changing origin as well as stage adds31 units to each.

## Reassessment

State that this is a selected named-node grid rather than a universal calendar for every anchor.

## Checks

```json
{}
```

## Closed utc

2026-09-29T02:30:54.984339+00:00

## Record provenance

Exact record hash: `699e029db2a538de6f720891381668e4507f9a20ecdad04db1ba8c83b8083e8a`

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