# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-061-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-061-001`](/artifact/l2/L2-061-001) · ⬆ Principle [`L1-061`](/artifact/l1/L1-061)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `24.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41552983
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| F mhz | MHz | 40 |
| Snr db | dB | 25 |
| N lines | — | 256 |
| Depth mm | mm | 8 |
| Blood speckle | — | 0 |
| Catheter motion | — | 0 |
| Guidewire artifact | — | 0 |
| Non uniform rotation | — | 0 |
## 3. Success Threshold (ε)
`ε = 24.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Envelope-Demod | — | 21.5 | 0.88 | — | — |
| MVDR-IVUS | — | 24.0 | 0.88 | — | — |
| IVUS-Net | — | 26.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-061 |
| Spec id | L2-061-001 |
**Benchmark hash:** `cb11a4e02562d50f98736999f091e75c7c4ae100713ee855547335efd0c4f5eb`
## 6. On-chain Registration
- **Chain hash:** `0x2bdd6b65256acfab1a76a35a45f71b134c5668d95130d2948d12e5d81995e423`
- **Chain tx hash:** `0x131afa0fd0b05ff77e3a6c449d1036adbbf8bea9555b4550e2380096f5b24c0a`
- **Chain block:** `41552983`
---
## File Mapping
This bundle consists of: `L3-061-001-001-T1.md`, `L3-061-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-061-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-061-001-001-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 `L3-061-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._