# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-030-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-030-001`](/artifact/l2/L2-030-001) · ⬆ Principle [`L1-030`](/artifact/l1/L1-030)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `30.0`
> **📊 Baselines:** 4 reference solvers benchmarked
> **⛓ On-chain block:** 41553363
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 128 |
| Te ms | ms | 20 |
| Tr ms | ms | 800 |
| Snr db | dB | 25 |
| Motion | — | 0 |
| Eddy currents | — | 0 |
| Undersampling | — | 0.0625 |
| Acceleration r | — | 1 |
| B0 inhomogeneity | — | 0 |
| Coil sensitivity drift | — | 0 |
## 3. Success Threshold (ε)
`ε = 30.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| IFFT-SENSE | — | 27.0 | 0.88 | — | — |
| CS-MRI | — | 30.0 | 0.88 | — | — |
| GRAPPA | — | 29.0 | 0.88 | — | — |
| VarNet-MRI | — | 33.0 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-030 |
| Spec id | L2-030-001 |
**Benchmark hash:** `dfd95f49bb7fbe46fe6c5720f6bb45ae713e8bc96847c6adf855cc2c555c659e`
## 6. On-chain Registration
- **Chain hash:** `0xd5df60d9a61275d6350842c2d66d6f1f1e83b674f67e86b8978ef34cc7d834b3`
- **Chain tx hash:** `0x646eb7cf950935c61e549d1de20decb1b83d0dcf7be5912f35799ba6187e31b2`
- **Chain block:** `41553363`
---
## File Mapping
This bundle consists of: `L3-030-001-001-T1.md`, `L3-030-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-030-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-030-001-001-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 `L3-030-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._