# 📐  L2 Spec — Cathodoluminescence Hyperspectral Mapping Spec

**ID:** `L2-136-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-136`](/artifact/l1/L1-136)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.55 · **Delta tier:** 5
> **⛓ On-chain block:** 41554229

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| H | px | 32 – 2048 |
| K | — | 1 – 20 |
| W | px | 32 – 2048 |
| N lambda | — | 64 – 2048 |
| Pixel nm | nm | 1 – 500 |
| Beam drift | — | 0.0 – 0.2 |
| Beam energy kev | — | 1 – 30 |
| Self absorption | — | 0.0 – 0.3 |
| Electron beam damage | — | 0.0 – 0.5 |
| Carrier diffusion length | — | 1 – 500 |
| Pure component uncertainty | — | 0.0 – 0.3 |

## 2. Tolerance (ε)

**Type:** `fn`

```
2e-3 + 0.01 * electron_beam_damage + 0.05 * pure_component_uncertainty + 1e-5 * carrier_diffusion_length
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.55 |
| Delta tier | 5 |

## 4. Fingerprint

`b74ba39880b5c8a581252ea9611b7fedacb504a2d2f9a5aef87e9bbbc4ef75d3`

## 5. On-chain Registration

- **Chain hash:** `0x8971bcf86851cde147e5859a399ee787b71d3e138beb08e76e76d5a30a974077`
- **Chain tx hash:** `0x6d1d7891a22331c38253e7fda8cdcaad7d79a4394bc23b60d638bcc71837b4be`
- **Chain block:** `41554229`

---

## File Mapping

This bundle consists of: `L2-136-001.md`, `L2-136-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-136-001.md` | Source of truth — edit this | Human or LLM |
| `L2-136-001.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 `L2-136-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._