# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-414-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-414-001`](/artifact/l2/L2-414-001) · ⬆ Principle [`L1-414`](/artifact/l1/L1-414)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `25.0`
> **📊 Baselines:** 2 reference solvers benchmarked
> **⛓ On-chain block:** 41555226
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
Standard Environmental Science conditions, clean data, calibrated model.
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| N sensors | — | 20 |
| Distance km | km | 1 |
| Wind speed m s | s | 3 |
| Stability class int | — | 4 |
| Building wake effects | — | 0 |
| Stability class error | — | 0 |
| Wind direction uncertainty deg | deg | 0 |
## 3. Success Threshold (ε)
`ε = 25.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| OLS_gaussian_plume | source_strength_RMSE_percent | 30.0 | 0.96 | — | — |
| Bayesian_MCMC_source | source_strength_RMSE_percent | 20.0 | 0.64 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-414 |
| Spec id | L2-414-001 |
**Benchmark hash:** `f8643d293448509f7ca304a5578ee4237e0cca8312d2f3d6f277986c66e62f59`
## 6. On-chain Registration
- **Chain hash:** `0xf2c426c0d7e1f777ab23e6f51dcc341e03123f90c1dc5ca8e16d27ca1266e93b`
- **Chain tx hash:** `0x6792927eb5fbe090e576953b52377410cee596da283631777fab9ac38c198444`
- **Chain block:** `41555226`
---
## File Mapping
This bundle consists of: `L3-414-001-001-T1.md`, `L3-414-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-414-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-414-001-001-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 `L3-414-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._