# 📐  L2 Spec — Vehicle Dynamics (Bicycle Model) — Nominal + Mismatch Specs

**ID:** `L2-453-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-453`](/artifact/l1/L1-453)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.25 · **Delta tier:** 5
> **⛓ On-chain block:** 41555281

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| Road mu | — | 0.3 – 1.2 |
| Speed m s | s | 5 – 50 |
| Vehicle mass kg | kg | 500 – 5000 |
| Lateral acceleration m s2 | — | 0.5 – 10.0 |

## 2. Tolerance (ε)

**Type:** `fn`

```
0.5 + 0.5 * (lateral_acceleration_m_s2 / 3.0) ** 0.5
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.25 |
| Delta tier | 5 |

## 4. Fingerprint

`0bfe5be81194f16c3b4c332b846aec278bef44ca1ff95249eabfa488cce2955f`

## 5. On-chain Registration

- **Chain hash:** `0x42592e58726a79d2d33ac4c32f375ce392faab3f79a9a5c8c529f20e4256c037`
- **Chain tx hash:** `0x24e168fd1bfbd1a65010e1a04ffdb61bdd6ba7e695a51922289600833a3c28e2`
- **Chain block:** `41555281`

---

## File Mapping

This bundle consists of: `L2-453-001.md`, `L2-453-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-453-001.md` | Source of truth — edit this | Human or LLM |
| `L2-453-001.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 `L2-453-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._