# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-177-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-177-001`](/artifact/l2/L2-177-001) · ⬆ Principle [`L1-177`](/artifact/l1/L1-177)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `21.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41553972
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 128 |
| Snr db | dB | 30 |
| C omega error | — | 0 |
| Wall fn error | — | 0 |
| Blend fn error | — | 0 |
## 3. Success Threshold (ε)
`ε = 21.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| OpenFOAM-SST | PSNR_dB | 19.5 | 0.88 | — | — |
| FLUENT-SST | PSNR_dB | 20.0 | 0.88 | — | — |
| SST-NN | PSNR_dB | 21.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-177 |
| Spec id | L2-177-001 |
**Benchmark hash:** `00cb516703de01ea71e3b8e5e03973746e661a38edf65ec703d7d8425611262f`
## 6. On-chain Registration
- **Chain hash:** `0xb377d38b1460b4074481776414e93f9818a0ec42d4ed046db633c6d7b541bca3`
- **Chain tx hash:** `0xf6b2758a8420dff818e02b57c53aa13dad6e8e01656c4332deb24ac2c7c35f7d`
- **Chain block:** `41553972`
---
## File Mapping
This bundle consists of: `L3-177-001-001-T1.md`, `L3-177-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-177-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-177-001-001-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 `L3-177-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._