# 📐  L2 Spec — Additive Manufacturing (Selective Laser Melting) Thermal Model Mismatch-Only Spec

**ID:** `L2-341-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-341`](/artifact/l1/L1-341)

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

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| P w | — | 50 – 2000 |
| V mm s | s | 50 – 5000 |
| Hatch um | µm | 30 – 300 |
| Layer um | µm | 10 – 100 |

## 2. Tolerance (ε)

**Type:** `fn`

```
0.06 * (1 + 0.1 * mismatch_severity)
```

## 3. Difficulty

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

## 4. Fingerprint

`cfe57d0cb17c5d5c9fa7747674f91cfedb0c0880541b3f10327c78193052c96f`

## 5. On-chain Registration

- **Chain hash:** `0x88bbe35896f3078ada52f496bd8ac2f4cf884eb69e7437acf772c51ea1c37757`
- **Chain tx hash:** `0xd8e038166ba2ffccfa6250595a3d62e690ba3a0b4789f13e5c05c5780d011bc2`
- **Chain block:** `41554133`

---

## File Mapping

This bundle consists of: `L2-341-001.md`, `L2-341-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-341-001.md` | Source of truth — edit this | Human or LLM |
| `L2-341-001.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 `L2-341-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._