# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-328-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-328-001`](/artifact/l2/L2-328-001) · ⬆ Principle [`L1-328`](/artifact/l1/L1-328)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `0.04`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554134
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
Cahn-Hilliard Phase Separation at rho=1.
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| M | — | 1 |
| T k | — | 300 |
| Dx nm | nm | 5 |
| Phi 0 | — | 0.5 |
| Chi ab | — | 3 |
| Grid n | N | 256 |
## 3. Success Threshold (ε)
`ε = 0.04`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| FFT-CH | — | 0.06 | 0.82 | — | — |
| MOOSE-CH | — | 0.07 | 0.78 | — | — |
| CH-DeepOp | — | 0.04 | 0.92 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-328 |
| Spec id | L2-328-001 |
**Benchmark hash:** `34a1429e622a8a681c9e084dfdb9572e5fa72e80133a438eb959505b43cf1cca`
## 6. On-chain Registration
- **Chain hash:** `0x3132b406cdd9e34ca47bdac8225652de507b55d11e02ea2ff7c0754d7ff79205`
- **Chain tx hash:** `0x1b2236a2ae53df50ee671ea0b6577445d9864a18e74c542569eed4b3af22ef55`
- **Chain block:** `41554134`
---
## File Mapping
This bundle consists of: `L3-328-001-001-T1.md`, `L3-328-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-328-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-328-001-001-T1.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 `L3-328-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._