# 📐  L2 Spec — Creep Mechanics — high-temperature rate-dependent Mismatch-Only Spec

**ID:** `L2-219-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-219`](/artifact/l1/L1-219)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.48 · **Delta tier:** 5
> **⛓ On-chain block:** 41554015

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| T k | — | 273 – 2000 |
| N dof | — | 100 – 1000000 |
| Snr db | dB | 0 – 40 |
| A error | — | 0.0 – 0.2 |
| N times | — | 10 – 100000 |
| Q error | — | 0.0 – 0.1 |
| N error | — | 0.0 – 0.1 |
| Damage param error | — | 0.0 – 0.3 |

## 2. Tolerance (ε)

**Type:** `fn`

```
14.0 + 0.3*SNR_dB - 15.0*A_error - 30.0*n_error - 30.0*Q_error - 10.0*damage_param_error
```

## 3. Difficulty

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

## 4. Fingerprint

`d2ea6f1f6d7887031ecad14dd609e2642dd52b311dc4e5dde7a679245fa68c95`

## 5. On-chain Registration

- **Chain hash:** `0x7fc093f52051f77461c513a31e9580da003d105108ec8f58923fb859c940d40c`
- **Chain tx hash:** `0x17a95e041e27087e1f0237503cfdafa56933f5bc715324d2763b2d5c9ca5bbbf`
- **Chain block:** `41554015`

---

## File Mapping

This bundle consists of: `L2-219-001.md`, `L2-219-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-219-001.md` | Source of truth — edit this | Human or LLM |
| `L2-219-001.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 `L2-219-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._