# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-269-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-269-001`](/artifact/l2/L2-269-001) · ⬆ Principle [`L1-269`](/artifact/l1/L1-269)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `23.0`
> **📊 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 |
|---|---|---|
| L m | m | 1 |
| M mach | — | 0.1 |
| Snr db | dB | 30 |
| N modes | — | 8 |
| Freq hz | Hz | 1000 |
| N probes | — | 8 |
| Flow mach error | — | 0 |
| Duct geometry error | — | 0 |
| Liner impedance error | — | 0 |
## 3. Success Threshold (ε)
`ε = 23.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Transfer-Matrix | PSNR_dB | 22.0 | 0.88 | — | — |
| Mode-match | PSNR_dB | 22.5 | 0.88 | — | — |
| DG-acoustic | PSNR_dB | 23.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-269 |
| Spec id | L2-269-001 |
**Benchmark hash:** `c13bd02501edab3d89547d055310f4d6c70d9f5257a8adfa5a6a63cc7b55fe3b`
## 6. On-chain Registration
- **Chain hash:** `0xe65b8be1eca791881f842a387f6424826c1ea753db6db3eeafe940409736f62e`
- **Chain tx hash:** `0xbd6cffa4ec8f26618f3c17881778c4727c9643a04cbe52c1fc51a950e6fad1c7`
- **Chain block:** `41554056`
---
## File Mapping
This bundle consists of: `L3-269-001-001-T1.md`, `L3-269-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-269-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-269-001-001-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 `L3-269-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._