# ☆  L3 Benchmark — T1_nominal

**ID:** `L3-424-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-424-001`](/artifact/l2/L2-424-001) · ⬆ Principle [`L1-424`](/artifact/l1/L1-424)

> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `0.5`
> **📊 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 flux regions | — | 22 |
| N surface stations | — | 100 |
| Oco2 bias correction | — | 0 |
| Transport model error | — | 0 |
| Prior uncertainty gtc yr | — | 1 |
| Satellite coverage percent | — | 50 |
| Prior uncertainty specification | — | 0 |

## 3. Success Threshold (ε)

`ε = 0.5`

## 4. Baseline Solvers

| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| CarbonTracker_Bayesian | global_NEE_uncertainty_GtC_yr | 0.6 | 0.96 | — | — |
| GEOS_Chem_4DVar | global_NEE_uncertainty_GtC_yr | 0.4 | 0.64 | — | — |

## 5. Registration Metadata

| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-424 |
| Spec id | L2-424-001 |

**Benchmark hash:** `96c2e82b89ec1ced076e761dc5d98499ffc79ea995d05086d02ed1f974f0a095`

## 6. On-chain Registration

- **Chain hash:** `0x8a67cfdfeadb223dbcf0a673380728c35fb2615b31c1f86ad3371a8e6f681939`
- **Chain tx hash:** `0xd501b253fa556658c050d8042f5c5b3f818cb82b477cb09d04fc46a0fdb58fc7`
- **Chain block:** `41555246`

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## File Mapping

This bundle consists of: `L3-424-001-001-T1.md`, `L3-424-001-001-T1.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-424-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-424-001-001-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 `L3-424-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._