# 📐  L2 Spec — Strong Gravitational Lensing Inversion — Nominal + Mismatch Specs

**ID:** `L2-368-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-368`](/artifact/l1/L1-368)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.48 · **Delta tier:** 5
> **⛓ On-chain block:** 41555180

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| H | px | 50 – 500 |
| W | px | 50 – 500 |
| Gamma shear | — | 0.0 – 0.2 |
| E ellipticity | — | 0.0 – 0.5 |
| Theta e arcsec | — | 0.2 – 3.0 |

## 2. Tolerance (ε)

**Type:** `fn`

```
1.0 + 0.1 * (e_ellipticity / 0.5) ** 2
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.48 |
| Delta tier | 5 |

## 4. Fingerprint

`a167d5abe39f9c28491f31dc1eb2bafaaab306de52521de3edb9d4865bba3def`

## 5. On-chain Registration

- **Chain hash:** `0xc8db9be326ad724ca7d595d2fe18ccc3224aa39be2161e49273723ffe34a84b7`
- **Chain tx hash:** `0x7335ea6adb4e09c2f5d9e560ef64df6f6666b8e9eeb62382311c5994381cb632`
- **Chain block:** `41555180`

---

## File Mapping

This bundle consists of: `L2-368-001.md`, `L2-368-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-368-001.md` | Source of truth — edit this | Human or LLM |
| `L2-368-001.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 `L2-368-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._