# 📐  L2 Spec — Electrochemical Corrosion Kinetics Mismatch-Only Spec

**ID:** `L2-339-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-339`](/artifact/l1/L1-339)

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

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| Ph | — | 0 – 14 |
| T k | — | 273 – 373 |
| Cl mm | mm | 0 – 10000 |
| N data | — | 50 – 5000 |
| Dissolved o2 ppm | — | 0 – 50 |

## 2. Tolerance (ε)

**Type:** `fn`

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

## 3. Difficulty

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

## 4. Fingerprint

`6d5dd62cb37d02de283845668b30979f9ca9bd3770fdd15440c4115be243ce80`

## 5. On-chain Registration

- **Chain hash:** `0x65624c23a77d62bbda16673ef1185b18977f19ba7336802caf4834612fc2c6fd`
- **Chain tx hash:** `0xde518cbefc50d94421437f7dd2a78e3257f489f9523e672b41a85c88c6567470`
- **Chain block:** `41554133`

---

## File Mapping

This bundle consists of: `L2-339-001.md`, `L2-339-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-339-001.md` | Source of truth — edit this | Human or LLM |
| `L2-339-001.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 `L2-339-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._