# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-257-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-257-001`](/artifact/l2/L2-257-001) · ⬆ Principle [`L1-257`](/artifact/l1/L1-257)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `26.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554042
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 128 |
| W | px | 128 |
| Z | — | 64 |
| Snr db | dB | 30 |
| Fs khz | kHz | 100 |
| C error | — | 0 |
| N samples | — | 512 |
| Rho error | — | 0 |
| N receivers | — | 64 |
| Receiver pos error | — | 0 |
| Boundary reflectivity | — | 0 |
## 3. Success Threshold (ε)
`ε = 26.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| FDTD-reverse | PSNR_dB | 23.5 | 0.88 | — | — |
| Kirchhoff-migration | PSNR_dB | 25.0 | 0.88 | — | — |
| PINN-wave | PSNR_dB | 27.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-257 |
| Spec id | L2-257-001 |
**Benchmark hash:** `7409cf5f96e571372f3968e51edc5e26e54821bae2f67a1c6014b10fe0acdde2`
## 6. On-chain Registration
- **Chain hash:** `0xb65b2c0599834f86fc04e75ce5890f5bb3b451835a043183b9f5eea759d428f4`
- **Chain tx hash:** `0x387f04ea197472724ac212a98bcaaea4d95279009978fcec6fdc0172880684d3`
- **Chain block:** `41554042`
---
## File Mapping
This bundle consists of: `L3-257-001-001-T1.md`, `L3-257-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-257-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-257-001-001-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 `L3-257-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._