# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-436-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-436-001`](/artifact/l2/L2-436-001) · ⬆ Principle [`L1-436`](/artifact/l1/L1-436)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `0.05`
> **📊 Baselines:** 2 reference solvers benchmarked
> **⛓ On-chain block:** 41555264

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## 🏷 1. Benchmark Profile

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

Standard Control Theory conditions, clean data, calibrated model.

## 2. Operating Point (Ω-tier)

| Parameter | Unit | Value |
|---|---|---|
| N e ensemble | — | 50 |
| Localization km | km | 500 |
| N state million | — | 1 |
| Ensemble collapse | — | 0 |
| Obs density per gridpt | — | 0.1 |
| Localization radius choice | — | 0 |
| Sampling error finite ensemble | — | 0 |

## 3. Success Threshold (ε)

`ε = 0.05`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| LETKF | spread_skill_ratio | 0.06 | 0.96 | — | — |
| serial_EnSRF | spread_skill_ratio | 0.05 | 0.8 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-436 |
| Spec id | L2-436-001 |

**Benchmark hash:** `845cfd25623f31a259077a04abce50a1b8501b965c736a5c378c643cf1fba094`

## 6. On-chain Registration

- **Chain hash:** `0xee902a553c1d8d03a0fb9900639d986241de77048499d118dd2941216d8ed93b`
- **Chain tx hash:** `0x54e2cb869c412d83cd024c592d618850bb722c147542fff9c42173d19e9b4b45`
- **Chain block:** `41555264`

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## File Mapping

This bundle consists of: `L3-436-001-001-T1.md`, `L3-436-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-436-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-436-001-001-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 `L3-436-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._