# 📐 L2 Spec — Scanning LiDAR Mismatch-Only Spec
**ID:** `L2-096-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-096`](/artifact/l1/L1-096)
> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.56 · **Delta tier:** 5
> **⛓ On-chain block:** 41547813
---
## 1. Domain Ω
**Type:** `range`
| Parameter | Unit | Range |
|---|---|---|
| N ch | — | 16 – 256 |
| F scan hz | Hz | 5 – 30 |
| Lambda nm | nm | 850 – 1550 |
| Max range m | m | 30 – 500 |
| Tau pulse ns | ns | 0.5 – 10 |
| Beam walk error | — | 0.0 – 0.01 |
| Motion distortion | — | 0.0 – 0.5 |
| Photon count per beam | — | 10 – 5000 |
| Atmospheric extinction | — | 0.0 – 2.0 |
| Crosstalk neighbour beams | — | 0.0 – 0.05 |
| Retroreflector saturation | — | 0.0 – 0.2 |
## 2. Tolerance (ε)
**Type:** `fn`
```
0.01 + 0.01 * tau_pulse_ns + 0.15 * atmospheric_extinction + 0.10 * motion_distortion - 0.02 * log10(photon_count_per_beam / 10)
```
## 3. Difficulty
| Property | Value |
|---|---|
| Difficulty score | 0.56 |
| Delta tier | 5 |
## 4. Fingerprint
`1610c9a1ca73ca99879b3d7a8e224759e5b31224cda4a7a488994ff6a4038a0a`
## 5. On-chain Registration
- **Chain hash:** `0x3b3189ddad1057d33cbb2be3fbfb82898054d90de19fa4c5d3415ecb9630be02`
- **Chain tx hash:** `0x087905aa05a71a917ba41f6a3410dd0c0df88d5a1d5784a4e4d76ff140b81098`
- **Chain block:** `41547813`
---
## File Mapping
This bundle consists of: `L2-096-001.md`, `L2-096-001.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-096-001.md` | Source of truth — edit this | Human or LLM |
| `L2-096-001.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 `L2-096-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._