# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-262-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-262-001`](/artifact/l2/L2-262-001) · ⬆ Principle [`L1-262`](/artifact/l1/L1-262)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `3.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554055

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## 🏷 1. Benchmark Profile

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

## 2. Operating Point (Ω-tier)

| Parameter | Unit | Value |
|---|---|---|
| N rays | — | 10000 |
| Snr db | dB | 30 |
| N depth | — | 256 |
| N range | — | 512 |
| Freq hz | Hz | 1000 |
| Ssp error | — | 0 |
| Range error | — | 0 |
| Bathymetry error | — | 0 |
| Bottom properties error | — | 0 |

## 3. Success Threshold (ε)

`ε = 3.0`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Bellhop-Gaussian | TL_error_dB | 2.8 | 0.88 | — | — |
| Bellhop-eigenray | TL_error_dB | 3.5 | 0.88 | — | — |
| Ray-NN | TL_error_dB | 2.4 | 0.88 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-262 |
| Spec id | L2-262-001 |

**Benchmark hash:** `3a5c47bf77a9bef4df1d23c3aa051dca3ba65ec4a4709771c269913732fbb127`

## 6. On-chain Registration

- **Chain hash:** `0x9cc637dd203c3a2510a8889694dac02f56629e4f4e766e481a25f0a542aeff3d`
- **Chain tx hash:** `0xa62bfb816b33b883cb732e16ecda49b608a9da792ced040f09fe61c0dd602a82`
- **Chain block:** `41554055`

---

## File Mapping

This bundle consists of: `L3-262-001-001-T1.md`, `L3-262-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-262-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-262-001-001-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 `L3-262-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._