# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-503-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-503-001`](/artifact/l2/L2-503-001) · ⬆ Principle [`L1-503`](/artifact/l1/L1-503)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `[NEEDS_HAND_AUTHORING: nominal-tier threshold value]`
> **📊 Baselines:** 1 reference solvers benchmarked
> **⛓ On-chain block:** 41553365

---

## 🏷 1. Benchmark Profile

**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`

[NEEDS_HAND_AUTHORING: nominal-tier dataset description]

## 2. Operating Point (Ω-tier)

| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 64 |
| Snr db | dB | 24 |
| N echoes | — | 6 |
| Te ms max | — | 30 |
| Te ms min | — | 5 |
| B0 field t | — | 3 |
| Voxel size mm | mm | 1 |
| B0 inhomogeneity | — | 0 |
| Phase unwrap error | — | 0 |
| Brain segmentation error | — | 0 |
| Background field removal error | — | 0 |
| Dipole kernel truncation error | — | 0 |

## 3. Success Threshold (ε)

`ε = [NEEDS_HAND_AUTHORING: nominal-tier threshold value]`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| [NEEDS_HAND_AUTHORING] | PSNR_dB | None | None | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-503 |
| Spec id | L2-503-001 |

**Benchmark hash:** `24f2be0d47fcd1a9475089d3357be42eb2cd2ac579c466045f7f1cd55b98f0a3`

## 6. On-chain Registration

- **Chain hash:** `0xf66d17c9689722467b1d0e33278e32c5ec7a937f619a0596d953b437bf9a8bc8`
- **Chain tx hash:** `0xfdf230272f930018b0b27fadddc84f1cfade6d2b9af26bd1d95d58f1b13ee8f5`
- **Chain block:** `41553365`

---

## File Mapping

This bundle consists of: `L3-503-001-001-T1.md`, `L3-503-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-503-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-503-001-001-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 `L3-503-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._