# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-270-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-270-001`](/artifact/l2/L2-270-001) · ⬆ Principle [`L1-270`](/artifact/l1/L1-270)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `3.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554056
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| M jet | — | 0.8 |
| N les | — | 10000000 |
| N mic | — | 32 |
| Snr db | dB | 30 |
| Freq hz max | — | 10000 |
| Refraction error | — | 0 |
| Observer pos error | — | 0 |
| Les resolution error | — | 0.01 |
| Source region trunc error | — | 0 |
## 3. Success Threshold (ε)
`ε = 3.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| LES-Lighthill | SPL_error_dB | 3.5 | 0.88 | — | — |
| FWH | SPL_error_dB | 2.8 | 0.88 | — | — |
| ML-aero | SPL_error_dB | 2.3 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-270 |
| Spec id | L2-270-001 |
**Benchmark hash:** `7f9894dcc8ba89120c08bb990e8389eaa5a6bde2905935d4c4d165dd7ca2f0be`
## 6. On-chain Registration
- **Chain hash:** `0xbfa743838fdfd0662e33ebefec25720d96946f0cc6933776d13d3de3817b9bfc`
- **Chain tx hash:** `0x7bb7397ebeb5a393ec346c7506822160c93e5f4201ecc7c2de837c45d2a4b427`
- **Chain block:** `41554056`
---
## File Mapping
This bundle consists of: `L3-270-001-001-T1.md`, `L3-270-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-270-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-270-001-001-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 `L3-270-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._