# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-304-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-304-001`](/artifact/l2/L2-304-001) · ⬆ Principle [`L1-304`](/artifact/l1/L1-304)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `3.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41554121
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
Semi-Empirical Quantum Chemistry (AM1, PM6, DFTB, xTB) at rho=1.
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| Method | — | GFN2-xTB |
| N atoms | — | 100 |
| N basis | — | 500 |
| Dispersion | — | D4 |
## 3. Success Threshold (ε)
`ε = 3.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| MOPAC-PM7 | — | 5.0 | 0.82 | — | — |
| xTB-GFN2 | — | 4.2 | 0.78 | — | — |
| DFTB3-ML | — | 3.5 | 0.92 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.15 |
| Rho | 1 |
| Principle id | L1-304 |
| Spec id | L2-304-001 |
**Benchmark hash:** `851f76829526443d914d56b64ab9c3ce91bf784e737c26399e3b2eb304a44a3c`
## 6. On-chain Registration
- **Chain hash:** `0x6f06695b889fcc591be9d4da8537e539ed3bf025139cf05c1c6d60e17067287e`
- **Chain tx hash:** `0x3dc6adc8e8889e12a8ce948385d7ea1c7384c41ebc29f748b8af9d2c8b84d282`
- **Chain block:** `41554121`
---
## File Mapping
This bundle consists of: `L3-304-001-001-T1.md`, `L3-304-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-304-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-304-001-001-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 `L3-304-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._