# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-260-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-260-001`](/artifact/l2/L2-260-001) · ⬆ Principle [`L1-260`](/artifact/l1/L1-260)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `25.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554043
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H m | m | 3 |
| L m | m | 6 |
| W m | m | 8 |
| Fs khz | kHz | 48 |
| Max order | — | 20 |
| Geometry error | — | 0 |
| Src rec pos error | — | 0 |
| Reflection coeff error | — | 0 |
## 3. Success Threshold (ε)
`ε = 25.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| ISM-Allen-Berkley | PSNR_dB | 24.0 | 0.88 | — | — |
| ISM-hybrid | PSNR_dB | 25.5 | 0.88 | — | — |
| Neural-RIR | PSNR_dB | 27.0 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-260 |
| Spec id | L2-260-001 |
**Benchmark hash:** `1218306554159b2468f70f1b00bb87adbf5d98e0e835de844f6d98c51b533e17`
## 6. On-chain Registration
- **Chain hash:** `0x5d56ceb61c8d6b405bbfcf5f6f5510ed39c0d24278e0df5f0eee8d599b99db5b`
- **Chain tx hash:** `0xc955c7a96732a3c96b58de5cb069704fc9a15fe092377486be72b5b53d8dda4d`
- **Chain block:** `41554043`
---
## File Mapping
This bundle consists of: `L3-260-001-001-T1.md`, `L3-260-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-260-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-260-001-001-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 `L3-260-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._