# 📐  L2 Spec — Radiometric Sensor Calibration — Nominal + Mismatch Specs

**ID:** `L2-473-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-473`](/artifact/l1/L1-473)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.25 · **Delta tier:** 5
> **⛓ On-chain block:** 41555302

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| N bands | bands | 1 – 100 |
| N cal sites | — | 5 – 100 |
| Degradation percent yr | — | 0.0 – 2.0 |
| Aerosol uncertainty aod | — | 0.005 – 0.1 |

## 2. Tolerance (ε)

**Type:** `fn`

```
1.5 + 0.5 * (degradation_percent_yr / 0.5) ** 0.3
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.25 |
| Delta tier | 5 |

## 4. Fingerprint

`f50fc67ec48aefcdedb00167b372eeded73ae563e77da488808d35954be923bd`

## 5. On-chain Registration

- **Chain hash:** `0x95cd4bae3df81d13b5a365f9f5e77573aec388f8d4161380d27552774a8ba9e1`
- **Chain tx hash:** `0xbd8feef9e0b4a03e3a3087b3058ce2b0e09e755325a7cdb6f4603bc77719dac1`
- **Chain block:** `41555302`

---

## File Mapping

This bundle consists of: `L2-473-001.md`, `L2-473-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-473-001.md` | Source of truth — edit this | Human or LLM |
| `L2-473-001.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 `L2-473-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._