# 📐  L2 Spec — Battery Electrode Electrochemistry (Newman-Doyle-Fuller) Mismatch-Only Spec

**ID:** `L2-340-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-340`](/artifact/l1/L1-340)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.45 · **Delta tier:** 5
> **⛓ On-chain block:** 41554133

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| T k | — | 253 – 353 |
| C rate | — | 0.01 – 100 |
| N mesh | — | 20 – 1000 |
| Cycles | — | 1 – 10000 |
| Thickness um | µm | 10 – 1000 |

## 2. Tolerance (ε)

**Type:** `fn`

```
10.0 * (1 + 0.1 * mismatch_severity)
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.45 |
| Delta tier | 5 |

## 4. Fingerprint

`eb100e4c491b0bb052f016977a9cd7bcc4931660a059a349a39e056ff0b046f0`

## 5. On-chain Registration

- **Chain hash:** `0x5d9cb0640886d0614c8105230d794a2042c91bef96ff860b5da02adef32b35c5`
- **Chain tx hash:** `0x30cabdfd671a43c88fc354a64b17743ea72de0c6c80bdd94ec3db26a4d973515`
- **Chain block:** `41554133`

---

## File Mapping

This bundle consists of: `L2-340-001.md`, `L2-340-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-340-001.md` | Source of truth — edit this | Human or LLM |
| `L2-340-001.json` | Structured metadata for the registry | LLM regenerates from the sections above |

**Prompt for your LLM after editing this Markdown:**

> Read the attached Markdown. Regenerate the sibling `.json` so every field matches.
> Preserve the schema documented in the rows above.
> Output each file in its own fenced code block tagged with the filename.
> Output only the JSON object.

_This Markdown was auto-synthesized from the catalog row for `L2-340-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._