# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-186-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-186-001`](/artifact/l2/L2-186-001) · ⬆ Principle [`L1-186`](/artifact/l1/L1-186)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `20.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41553974
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| Snr db | dB | 30 |
| N times | — | 2000 |
| N particles | — | 1e+06 |
| Boundary error | — | 0 |
| Pressure instability | — | 0 |
| Kernel bandwidth error | — | 0 |
## 3. Success Threshold (ε)
`ε = 20.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| DualSPHysics | PSNR_dB | 19.0 | 0.88 | — | — |
| LIGGGHTS-SPH | PSNR_dB | 19.5 | 0.88 | — | — |
| SPH-Net | PSNR_dB | 20.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-186 |
| Spec id | L2-186-001 |
**Benchmark hash:** `037b58ea686e9a17a033ba8a32c0e7a696a168b4028d2189ac57ab9cd548c3a9`
## 6. On-chain Registration
- **Chain hash:** `0x686366f21cce18364567513fa51bdf3cb4c8e84ab0a5ee551b25bcb3dbdc7724`
- **Chain tx hash:** `0x4868f9185487787f44013e0d36969ecd5a4f240e3a5722777fbd6236ac02cbdd`
- **Chain block:** `41553974`
---
## File Mapping
This bundle consists of: `L3-186-001-001-T1.md`, `L3-186-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-186-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-186-001-001-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 `L3-186-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._