# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-280-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-280-001`](/artifact/l2/L2-280-001) · ⬆ Principle [`L1-280`](/artifact/l1/L1-280)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `5.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554070
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 64 |
| Snr db | dB | 30 |
| Terrain error | — | 0 |
| N observations | — | 1024 |
| Declination error | — | 0 |
| Remanence unmodelled | — | 0 |
## 3. Success Threshold (ε)
`ε = 5.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| MAG3D | chi_rel_error_percent | 5.0 | 0.88 | — | — |
| VPMG | chi_rel_error_percent | 4.5 | 0.88 | — | — |
| Mag-Net | chi_rel_error_percent | 3.8 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-280 |
| Spec id | L2-280-001 |
**Benchmark hash:** `2205c70c438f295bf6c9ca716909d3101df3a91f38bc679f3c116bce2ce092a5`
## 6. On-chain Registration
- **Chain hash:** `0xbc4a6edcaba717362e555a19752a63f32c3aa8f5555cb1d07a0f7e64a0ecd219`
- **Chain tx hash:** `0xaa5e29498921aedda1c96ecc016834e6e6bb0dd4e90c39155f07dc42b492b97e`
- **Chain block:** `41554070`
---
## File Mapping
This bundle consists of: `L3-280-001-001-T1.md`, `L3-280-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-280-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-280-001-001-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 `L3-280-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._