# ☆ L3 Benchmark — T1_nominal
**ID:** `L3-054-001-001-T1` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Spec [`L2-054-001`](/artifact/l2/L2-054-001) · ⬆ Principle [`L1-054`](/artifact/l1/L1-054)
> **🏷 Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
> **🎯 Threshold (ε):** `28.0`
> **📊 Baselines:** 3 reference solvers benchmarked
> **⛓ On-chain block:** 41553364
---
## 🏷 1. Benchmark Profile
**Type:** `fixed` · **Tier:** `T1` · **Quality:** `standard`
## 2. Operating Point (Ω-tier)
| Parameter | Unit | Value |
|---|---|---|
| H | px | 512 |
| W | px | 512 |
| Z | — | 256 |
| Mas | — | 100 |
| Pixel mm | mm | 0.25 |
| Pulse pileup | — | 0 |
| N energy bins | — | 5 |
| N projections | — | 720 |
| Beam hardening | — | 0 |
| Charge sharing | — | 0 |
| K edge calibration | — | 0 |
## 3. Success Threshold (ε)
`ε = 28.0`
## 4. Baseline Solvers
| Name | Metric | Score | Q | SSIM | SAM° |
|---|---|---|---|---|---|
| FBP-Spectral | — | 25.5 | 0.88 | — | — |
| Spectral-MBIR | — | 28.0 | 0.88 | — | — |
| PCCT-Net | — | 30.5 | 0.88 | — | — |
## 5. Registration Metadata
| Property | Value |
|---|---|
| D ibench | 0.14 |
| Rho | 1 |
| Principle id | L1-054 |
| Spec id | L2-054-001 |
**Benchmark hash:** `ce44d055fcc9cd8ad1bc92fe7779bcd59c5fbcc99d38383d7da63c7528bcdf23`
## 6. On-chain Registration
- **Chain hash:** `0xefaca16cdb108ce687e7ec7a01ca026171ce6db28a4836d14d4924de8f11d0be`
- **Chain tx hash:** `0xa1e36c963cb6343e7940b20d41aa5cb0ac46791af9a8b78d00419c9caf684368`
- **Chain block:** `41553364`
---
## File Mapping
This bundle consists of: `L3-054-001-001-T1.md`, `L3-054-001-001-T1.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L3-054-001-001-T1.md` | Source of truth — edit this | Human or LLM |
| `L3-054-001-001-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 `L3-054-001-001-T1`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._