# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-079-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-079-001`](/artifact/l2/L2-079-001) · ⬆ Principle [`L1-079`](/artifact/l1/L1-079)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `42.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554177
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 1080 |
| W | px | 1920 |
| Bit depth | — | 12 |
| K exposures | — | 3 |
| Exposure stops | — | 2 |
| Under coverage | — | 0 |
| Motion ghosting | — | 0 |
| Crf calibration error | — | 0 |
## 3. Success Threshold (ε)
`ε = 42.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| Debevec-Malik | — | 40.0 | 0.68 | — | — |
| Mertens-Fusion | — | 41.5 | 0.75 | — | — |
| HDR-CNN | — | 44.5 | 0.9 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-079 |
| Spec id | L2-079-001 |
**Benchmark hash:** `4df9dfd9646ce61ade4d38d01b4ba92b8a3e7a94de601c4b9466260af92c4c22`
## 6. On-chain Registration
- **Chain hash:** `0x8baab68b9a0985f7593ace5a8157a67e47e908f5264b522b7eb32e4cf7460f7b`
- **Chain tx hash:** `0x16c795548ab53662e71d7ec1f62ecf42096020718a5383607785c3ac290f21e9`
- **Chain block:** `41554177`
---
## File Mapping
This bundle consists of: `L3-079-001-001-T1.md`, `L3-079-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-079-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-079-001-001-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 `L3-079-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._