# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-209-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-209-001`](/artifact/l2/L2-209-001) · ⬆ Principle [`L1-209`](/artifact/l1/L1-209)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `27.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554016

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## 🏷 1. Benchmark Profile

**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`

## 2. Operating Point (Ω-tier)

| Parameter | Unit | Value |
|---|---|---|
| Snr db | dB | 30 |
| Ei error | — | 0 |
| Ga error | — | 0 |
| Bc error | — | 0 |
| N sensors | — | 16 |
| N elements | — | 50 |
| K shear error | — | 0 |

## 3. Success Threshold (ε)

`ε = 27.0`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| FEM-Timoshenko | PSNR_dB | 26.0 | 0.88 | — | — |
| Locking-free-FEM | PSNR_dB | 26.5 | 0.88 | — | — |
| Thick-beam-NN | PSNR_dB | 27.5 | 0.88 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-209 |
| Spec id | L2-209-001 |

**Benchmark hash:** `e8ae1841da82fd644c901d5d52212f78bbac0d297fef1f49c8dbc64fe7b2908b`

## 6. On-chain Registration

- **Chain hash:** `0x4033b1292b9e912f428090ed5a54a3deca6d0c29dc450bf609614ef06f9c218d`
- **Chain tx hash:** `0xe9e747c3f99e5e81b9965d2839966d269d14f095f3dc38c793a04984a37b0e38`
- **Chain block:** `41554016`

---

## File Mapping

This bundle consists of: `L3-209-001-001-T1.md`, `L3-209-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-209-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-209-001-001-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 `L3-209-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._