# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-156-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-156-001`](/artifact/l2/L2-156-001) · ⬆ Principle [`L1-156`](/artifact/l1/L1-156)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `26.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554249
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 256 |
| W | px | 256 |
| Z | — | 200 |
| Snr db | dB | 25 |
| Breathing motion | — | 0 |
| Temporal mismatch | — | 0 |
| Registration error | — | 0 |
| Attenuation correction bias | — | 0 |
## 3. Success Threshold (ε)
`ε = 26.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Rigid-Reg-Overlay | — | 23.5 | 0.88 | — | — |
| Deformable-Reg | — | 26.0 | 0.88 | — | — |
| Fusion-Net | — | 28.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-156 |
| Spec id | L2-156-001 |
**Benchmark hash:** `dc879d108913ea439fbea2ab5f028f43b7f427d009ee5dea7998970d1d15a5a9`
## 6. On-chain Registration
- **Chain hash:** `0xf0243c7a3f587111ad567a76f476ba825e484920eba90dc15f1b7cab60ff3cd0`
- **Chain tx hash:** `0x2440f4529e83910eaa7a5010390c2d1e49c90a887b48fa397eacabc68b8aece6`
- **Chain block:** `41554249`
---
## File Mapping
This bundle consists of: `L3-156-001-001-T1.md`, `L3-156-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-156-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-156-001-001-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 `L3-156-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._