# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-468-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-468-001`](/artifact/l2/L2-468-001) · ⬆ Principle [`L1-468`](/artifact/l1/L1-468)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `3.0`
> **📊 Baselines:** 2 reference solvers benchmarked
> **⛓ On-chain block:** 41555305
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
Standard Geodesy conditions, clean data, calibrated model.
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| Swh m | m | 2 |
| N gates | — | 128 |
| Mispointing deg | deg | 0.1 |
| Sea ice surface | — | 0 |
| Rain contamination | — | 0 |
| Noise sigma percent | — | 5 |
| Inland water reflection | — | 0 |
## 3. Success Threshold (ε)
`ε = 3.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| OCOG_retracker | SSH_RMSE_cm | 5.0 | 1.33 | — | — |
| Brown_MLE4 | SSH_RMSE_cm | 2.5 | 0.67 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-468 |
| Spec id | L2-468-001 |
**Benchmark hash:** `a105f8a0f22dec984f03dfe2b05cf8deed7ccc94bd2761573d2d458adf4f79a6`
## 6. On-chain Registration
- **Chain hash:** `0x828ef28a0863f7a4af948e1bcc36256ff4234162066b7bbaba010e201d357057`
- **Chain tx hash:** `0x90f3c93d34500b040aa4fccf3b516604960ca7b9c6e51517e5159f44c327075f`
- **Chain block:** `41555305`
---
## File Mapping
This bundle consists of: `L3-468-001-001-T1.md`, `L3-468-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-468-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-468-001-001-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 `L3-468-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._