# 📐  L2 Spec — NeRF Novel-View Synthesis Mismatch-Only Spec

**ID:** `L2-082-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-082`](/artifact/l1/L1-082)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.72 · **Delta tier:** 5
> **⛓ On-chain block:** 41554186

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| H | px | 200 – 2000 |
| W | px | 200 – 2000 |
| K views | — | 10 – 500 |
| Photon count | — | 100 – 10000 |
| Scene bbox m | m | 0.5 – 50.0 |
| N samp per ray | — | 32 – 512 |
| Lighting drift | — | 0.0 – 0.3 |
| Non lambertian | — | 0.0 – 0.5 |
| Pose error rad | rad | 0.0 – 0.1 |
| Under view coverage | — | 0.0 – 0.5 |
| Motion blur per frame | — | 0.0 – 0.1 |

## 2. Tolerance (ε)

**Type:** `fn`

```
22.0 + 3.0 * log2(K_views / 10) + 1.5 * log10(photon_count / 100) - 25.0 * pose_error_rad - 15.0 * under_view_coverage
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.72 |
| Delta tier | 5 |

## 4. Fingerprint

`ba3e0929559b7d2f44229dbc1db13bbb792aed4ef73a0e91a5e853a3969da7b1`

## 5. On-chain Registration

- **Chain hash:** `0x4336cd8867e390c26fc414e9c9be3c9b7ab920bdfa9e727948288324d2a435e9`
- **Chain tx hash:** `0x2c88d789abe692310ec3012704a301cb5dd21d305b11af7a37b1494688a59871`
- **Chain block:** `41554186`

---

## File Mapping

This bundle consists of: `L2-082-001.md`, `L2-082-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-082-001.md` | Source of truth — edit this | Human or LLM |
| `L2-082-001.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 `L2-082-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._