# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-168-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-168-001`](/artifact/l2/L2-168-001) · ⬆ Principle [`L1-168`](/artifact/l1/L1-168)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `1.2`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41555166

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## 🏷 1. Benchmark Profile

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

Standard Astronomy conditions, clean data, calibrated model.

## 2. Operating Point (Ω-tier)

| Parameter | Unit | Value |
|---|---|---|
| H | px | 64 |
| W | px | 64 |
| N baselines | — | 15 |
| Uv fraction | — | 0.001 |
| Noise sigma jy | — | 0.1 |
| Bandwidth smearing | — | 0 |
| Station gain error | — | 0 |
| Atmospheric delay error | — | 0 |

## 3. Success Threshold (ε)

`ε = 1.2`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| CLEAN_DIFMAP | chi2_reduced | 1.8 | 1.2 | — | — |
| eht_imaging_MEM | chi2_reduced | 1.1 | 0.73 | — | — |
| SMILI | chi2_reduced | 1.15 | 0.77 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-168 |
| Spec id | L2-168-001 |

**Benchmark hash:** `c3521fe5f370dd36a0e11ee580a3ecdfced412aa1dd42cd28a8feed11e6dd8f8`

## 6. On-chain Registration

- **Chain hash:** `0x5558ab289751f9015ef27b7fd261b2165225d9f459f458fab9e6e381c43a34a3`
- **Chain tx hash:** `0x4dc58a8cd282e0a3d9972401a59d06cc105c50a24108bbbc4930a40141fd4ad1`
- **Chain block:** `41555166`

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## File Mapping

This bundle consists of: `L3-168-001-001-T1.md`, `L3-168-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-168-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-168-001-001-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 `L3-168-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._