# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-055-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-055-001`](/artifact/l2/L2-055-001) · ⬆ Principle [`L1-055`](/artifact/l1/L1-055)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `19.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41553378
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 32 |
| Snr db | dB | 20 |
| F mech hz | Hz | 60 |
| Motion artifact | — | 0 |
| Wave reflections | — | 0 |
| Tissue anisotropy | — | 0 |
| Inversion reg error | — | 0 |
## 3. Success Threshold (ε)
`ε = 19.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Direct-Inversion | — | 17.5 | 0.88 | — | — |
| Helmholtz-MRE | — | 19.0 | 0.88 | — | — |
| MRE-Net | — | 21.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-055 |
| Spec id | L2-055-001 |
**Benchmark hash:** `37d77ba9d89bdd07d422838c78d84199d5db9a247f4620dd893f82d2de09f89e`
## 6. On-chain Registration
- **Chain hash:** `0xd73fbb3a744d7e1d6a38ce16f38627e629e3e1d87201fcad8f447d3ecc3b7306`
- **Chain tx hash:** `0xd8fd763afb6155478dac981e6570cca5151b82d7a28914f1fb1ff3edd2f3a15a`
- **Chain block:** `41553378`
---
## File Mapping
This bundle consists of: `L3-055-001-001-T1.md`, `L3-055-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-055-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-055-001-001-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 `L3-055-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._