# 📐 L2 Spec — Confocal Fluorescence (pinhole-rejection livecell imaging) Mismatch-Only Spec
**ID:** `L2-532-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-532`](/artifact/l1/L1-532)
> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.45 · **Delta tier:** 5
> **⛓ On-chain block:** 41555321
---
## 1. Domain Ω
**Type:** `range`
| Parameter | Unit | Range |
|---|---|---|
| H | px | 256 – 4096 |
| W | px | 256 – 4096 |
| Na | — | 0.8 – 1.45 |
| Pixel nm | nm | 50 – 300 |
| Pinhole au | — | 0.5 – 3.0 |
| Scan jitter | — | 0.0 – 2.0 |
| Peak photons | photons | 20 – 2000 |
| Photobleaching rate | — | 0.0 – 0.3 |
## 2. Tolerance (ε)
**Type:** `fn`
```
22.0 + 1.5 * log10(peak_photons / 20) - 5.0 * photobleaching_rate
```
## 3. Difficulty
| Property | Value |
|---|---|
| Difficulty score | 0.45 |
| Delta tier | 5 |
## 4. Fingerprint
`d573bcf027416d1bd80af8738b98d22174fc416346bc2feb19ba676b4145e3ea`
## 5. On-chain Registration
- **Chain hash:** `0x82f26a9e79c610c01fb6762e8ca87aadef560901f7ad6b09f295de3f563b2249`
- **Chain tx hash:** `0x89dbbef7a91f3ef0b38e2f5b9e2b73152a896adf8dc80ff59a9a96298f45775a`
- **Chain block:** `41555321`
---
## File Mapping
This bundle consists of: `L2-532-001.md`, `L2-532-001.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-532-001.md` | Source of truth — edit this | Human or LLM |
| `L2-532-001.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 `L2-532-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._