# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-425-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-425-001`](/artifact/l2/L2-425-001) · ⬆ Principle [`L1-425`](/artifact/l1/L1-425)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `0.1`
> **📊 Baselines:** 2 reference solvers benchmarked
> **⛓ On-chain block:** 41555246

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## 🏷 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 wells | — | 20 |
| Log k variance | — | 2 |
| Domain area km2 | — | 1 |
| Contamination years | — | 20 |
| Geochemical reactions | — | 0 |
| Preferential flow paths | — | 0 |
| Density dependent flow effects | — | 0 |

## 3. Success Threshold (ε)

`ε = 0.1`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| PEST_pilot_points | hydraulic_head_RMSE_m | 0.12 | 0.96 | — | — |
| EnKS_ensemble_smoother | hydraulic_head_RMSE_m | 0.08 | 0.64 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-425 |
| Spec id | L2-425-001 |

**Benchmark hash:** `f44b3d64e78e82c06a35c0f2edc823341e486f6d028245c7645daeaadd2ca937`

## 6. On-chain Registration

- **Chain hash:** `0xd12b035e8a7eff5f0ad3098468057592b4c73cdbd02ccda9bde840c39ead6d3a`
- **Chain tx hash:** `0x4aff122287e5d2581f8657564de996dcff4acf7584264e37a12d59ee151bb805`
- **Chain block:** `41555246`

---

## File Mapping

This bundle consists of: `L3-425-001-001-T1.md`, `L3-425-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-425-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-425-001-001-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 `L3-425-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._