# 📐 L2 Spec — AMCW-ToF Depth Mismatch-Only Spec
**ID:** `L2-095-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-095`](/artifact/l1/L1-095)
> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.6 · **Delta tier:** 5
> **⛓ On-chain block:** 41547813
---
## 1. Domain Ω
**Type:** `range`
| Parameter | Unit | Range |
|---|---|---|
| H | px | 240 – 1080 |
| W | px | 320 – 1920 |
| N freq | — | 1 – 5 |
| T int ms | ms | 1 – 100 |
| K buckets | — | 3 – 9 |
| F mod mhz | MHz | 10 – 200 |
| Photon count | — | 20 – 5000 |
| Ambient light | — | 0.0 – 50000 |
| Motion jitter | — | 0.0 – 0.05 |
| Temperature drift | — | 0.0 – 0.05 |
| Mixed pixels at edges | — | 0.0 – 0.1 |
| Multipath interference | — | 0.0 – 0.3 |
## 2. Tolerance (ε)
**Type:** `fn`
```
4.0 + 0.002 * (100 - f_mod_MHz) * (100 - f_mod_MHz) / 50 - 2.0 * log10(photon_count / 20) + 30.0 * multipath_interference
```
## 3. Difficulty
| Property | Value |
|---|---|
| Difficulty score | 0.6 |
| Delta tier | 5 |
## 4. Fingerprint
`7fe6454a893a5768a8efc247b745f8ec6798fff34534342d457c595874ca4e24`
## 5. On-chain Registration
- **Chain hash:** `0x674502ba2913d7c47df2232004d523d9f5238e1d10c1988ba2b5c562a26304db`
- **Chain tx hash:** `0x17d2500a93638aefe25ba160ac7ead3f80479b20ed77441d159a5e028a816691`
- **Chain block:** `41547813`
---
## File Mapping
This bundle consists of: `L2-095-001.md`, `L2-095-001.json`.
| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-095-001.md` | Source of truth — edit this | Human or LLM |
| `L2-095-001.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 `L2-095-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._