L2 📐 L2-518-001 ⊙ Testnet

X-ray Diffraction Crystal Structure Recovery (analytical core) — Spec Skeleton

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⬇ spec.md ⬇ spec.json

Fork L2-518-001

⬇ L2-518-001.md ⬇ L2-518-001.json

Prompt — copy into your LLM

You are helping me submit a MODIFICATION of L2-518-001 (X-ray Diffraction Crystal Structure Recovery (analytical core) — Spec Skeleton) to the PWM Protocol — a Digital Twin (L2) artifact.

I will paste a Markdown template (or the current L2-518-001.md).
1. Rewrite the Markdown so the science is correct and clearly explained for my change.
2. Regenerate the sibling L2-518-001.json so EVERY field matches the Markdown.
3. Keep the schema in the "File Mapping" footer at the bottom of the MD.
4. Keep the parent reference unchanged unless I ask otherwise.
Rules: the Markdown is the source of truth; use SI units; do NOT invent benchmark scores.
Output each file in its own fenced code block tagged with the filename.

Here is my template:
[PASTE THE .md HERE]

⚙ Forward Model

derived from principle L1-518

y = ∫dΩ `L.detector_response` `L.profile_function` `L.intensity_calculation` `L.structure_factor` `L.bragg_diffraction` I₀(E) x,    measurements ~ Poisson(αy)

world state x (crystal structure parameters)

→

X-ray source I₀(E)

→

L · bragg diffraction `L.bragg_diffraction`

→

L · structure factor `L.structure_factor`

→

L · intensity calculation `L.intensity_calculation`

→

L · profile function `L.profile_function`

→

L · detector response `L.detector_response`

→

Angular integration ∫dΩ

→

observation y (x ray detector)

Noise: Poisson counting noise

Markdown — human-readable source of truth

⚙ auto-generated

⬇ L2-518-001.md

# 📐 L2 Digital Twin — X-ray Diffraction Crystal Structure Recovery (analytical core) — Spec Skeleton **ID:** `L2-518-001` · **Status:** ⊙ Testnet (genesis catalog) **Parents:** ⬆ Principle [`L1-518`](/artifact/l1/L1-518) > **🎯 Tolerance (ε):** expression > **⚖ Difficulty score:** 0.5 · **Delta tier:** 5 > **⛓ On-chain block:** 41554145 --- ## 1. Domain Ω **Type:** `range` | Parameter | Unit | Range | |---|---|---| | Snr db | dB | 10 – 50 | | Two theta max | — | 60 – 160 | | Two theta min | — | 1 – 30 | | Two theta step | — | 0.001 – 0.1 | | Beam divergence | — | [NEEDS_HAND_AUTHORING: bounds] | | Lambda angstrom | — | 0.4 – 2.5 | | Sample displacement | — | [NEEDS_HAND_AUTHORING: bounds] | | Wavelength dispersion | — | [NEEDS_HAND_AUTHORING: bounds] | | Instrumental broadening | — | 0.01 – 0.5 | | Monochromator misalignment | — | [NEEDS_HAND_AUTHORING: bounds] | | Background subtraction error | — | [NEEDS_HAND_AUTHORING: bounds] | | Preferred orientation powder | — | 0.0 – 0.5 | ## 2. Tolerance (ε) **Type:** `fn` ``` 0.05_R_factor ``` ## 3. Difficulty | Property | Value | |---|---| | Difficulty score | 0.5 | | Delta tier | 5 | ## 4. Fingerprint `ff731158f957e0861cd01c87f2d8f36bad68bc41d66cbf9a60724008a9a37111` ## 5. On-chain Registration - **Chain hash:** `0xc356d3761b4615291d3235e590c8b18f3d913e77bb69365a867935d7d79098d8` - **Chain tx hash:** `0x50ca9f426a841746b614caa2dd18576b2ac79261dd0566297598bb3e4c144369` - **Chain block:** `41554145` --- ## File Mapping This bundle consists of: `L2-518-001.md`, `L2-518-001.json`. | File | Role | How to regenerate | |------|------|-------------------| | `L2-518-001.md` | Source of truth — edit this | Human or LLM | | `L2-518-001.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 `L2-518-001`._ _Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._

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⌥ Hierarchy

Upstream lineage and downstream children

↑ Upstream

L1 L1-518 X-ray Diffraction Crystal Structure Recovery (analytical core)

↓ L3 Benchmark 1 child ▾

L3-518-001-001-T1 T1_nominal

⬇ Download bundle

2 files · click to download

📋 JSON metadata

{
  "artifact_id": "L2-518-001",
  "chain_block": 41554145,
  "chain_hash": "0xc356d3761b4615291d3235e590c8b18f3d913e77bb69365a867935d7d79098d8",
  "chain_tx_hash": "0x50ca9f426a841746b614caa2dd18576b2ac79261dd0566297598bb3e4c144369",
  "delta_tier": 5,
  "difficulty_score": 0.5,
  "epsilon": {
    "expression": "0.05_R_factor",
    "type": "fn"
  },
  "fingerprint": "ff731158f957e0861cd01c87f2d8f36bad68bc41d66cbf9a60724008a9a37111",
  "layer": "L2",
  "omega": {
    "dims": {
      "SNR_dB": [
        10,
        50
      ],
      "background_subtraction_error": "[NEEDS_HAND_AUTHORING: bounds]",
      "beam_divergence": "[NEEDS_HAND_AUTHORING: bounds]",
      "instrumental_broadening": [
        0.01,
        0.5
      ],
      "lambda_angstrom": [
        0.4,
        2.5
      ],
      "monochromator_misalignment": "[NEEDS_HAND_AUTHORING: bounds]",
      "preferred_orientation_powder": [
        0.0,
        0.5
      ],
      "sample_displacement": "[NEEDS_HAND_AUTHORING: bounds]",
      "two_theta_max": [
        60,
        160
      ],
      "two_theta_min": [
        1,
        30
      ],
      "two_theta_step": [
        0.001,
        0.1
      ],
      "wavelength_dispersion": "[NEEDS_HAND_AUTHORING: bounds]"
    },
    "type": "range"
  },
  "parent_l1": "L1-518",
  "status": "testnet",
  "submitted_by": "mainnet_mirror",
  "title": "X-ray Diffraction Crystal Structure Recovery (analytical core) \u2014 Spec Skeleton"
}

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