# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-263-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-263-001`](/artifact/l2/L2-263-001) · ⬆ Principle [`L1-263`](/artifact/l1/L1-263)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `23.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554055
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| Snr db | dB | 30 |
| N depth | — | 256 |
| N modes | — | 20 |
| Freq hz | Hz | 500 |
| Ssp error | — | 0 |
| Waveguide depth error | — | 0 |
| Bottom sound speed error | — | 0 |
## 3. Success Threshold (ε)
`ε = 23.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| KRAKEN | PSNR_dB | 22.0 | 0.88 | — | — |
| ORCA | PSNR_dB | 23.0 | 0.88 | — | — |
| PE-modal | PSNR_dB | 23.8 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-263 |
| Spec id | L2-263-001 |
**Benchmark hash:** `0d00ec334528eba465e6564d2518320cf5cd2c6792a106e9c0f6e946f9fc7de1`
## 6. On-chain Registration
- **Chain hash:** `0xea443737c8a687106164d6706c47a1a7106e3d27a4e333ede628a375f11e187a`
- **Chain tx hash:** `0xab612d76cd44d01e491ff57124e589f48b326b6b62c5e4f87aa7141d0ef2bcdf`
- **Chain block:** `41554055`
---
## File Mapping
This bundle consists of: `L3-263-001-001-T1.md`, `L3-263-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-263-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-263-001-001-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 `L3-263-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._