# 📐 L2 Spec — Self-Consistent Field Theory (SCFT) Mismatch-Only Spec
**ID:** `L2-475-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-475`](/artifact/l1/L1-475)
> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.45 · **Delta tier:** 5
> **⛓ On-chain block:** 41555303
---
## 1. Domain Ω
**Type:** `range`
| Parameter | Unit | Range |
|---|---|---|
| F | — | 0.2 – 0.8 |
| N ds | — | 50 – 400 |
| Chi n | N | 10 – 40 |
| Grid n | N | 32 – 128 |
| L box r g | g | 2.0 – 10.0 |
| Mixing alpha | — | 0.01 – 0.2 |
## 2. Tolerance (ε)
**Type:** `fn`
```
0.02 + 0.005*max(0, chi_N-20) + 0.01*abs(f-0.5) + 0.002*polydispersity_error
```
## 3. Difficulty
| Property | Value |
|---|---|
| Difficulty score | 0.45 |
| Delta tier | 5 |
## 4. Fingerprint
`8356695850bc3dd89bc6d06c73d84ff2708fab82bcc2337ba6280d8bfb9f638d`
## 5. On-chain Registration
- **Chain hash:** `0x3ec62155d3f6cf63872bce0840018b0718550826c3fb6a77d3f5deddaf9ab349`
- **Chain tx hash:** `0xa9efe17118e89b0c75624a897425a1adbf3c9af584ed9ce7262a6696dd62c523`
- **Chain block:** `41555303`
---
## File Mapping
This bundle consists of: `L2-475-001.md`, `L2-475-001.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-475-001.md` | Source of truth — edit this | Human or LLM |
| `L2-475-001.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 `L2-475-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._