# 📐  L2 Spec — Fiber-Optic Endoscopy Mismatch-Only Spec

**ID:** `L2-048-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-048`](/artifact/l1/L1-048)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.5 · **Delta tier:** 5
> **⛓ On-chain block:** 41553388

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| H | px | 128 |
| W | px | 128 |
| Snr db | dB | 0.0 – 40.0 |
| N fibers | — | 1000 – 100000 |
| Pixel um | µm | 2 – 50 |
| Fiber bending | — | 0.0 – 0.3 |
| Pixelation comb | — | 0.0 – 0.5 |
| Fiber attenuation | — | 0.0 – 0.3 |
| Dynamic range compression | — | 0.0 – 0.3 |

## 2. Tolerance (ε)

**Type:** `fn`

```
18.0 + 0.3 * SNR_dB - 6.0 * fiber_bending - 8.0 * pixelation_comb
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.5 |
| Delta tier | 5 |

## 4. Fingerprint

`daacbe984b9b2acde08e3a06cc122f821592185a15e9f04836d684d603310150`

## 5. On-chain Registration

- **Chain hash:** `0x8f9d32fb38c7e0a463ef463f83d4888176b151e0dfd0781892e1454002911ccc`
- **Chain tx hash:** `0x8789c237c87a9aa9f0c9a3d3a881ab6076705d4c41e401c1dbb25785c207dc90`
- **Chain block:** `41553388`

---

## File Mapping

This bundle consists of: `L2-048-001.md`, `L2-048-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-048-001.md` | Source of truth — edit this | Human or LLM |
| `L2-048-001.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 `L2-048-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._