58 lines
3 KiB
Markdown
58 lines
3 KiB
Markdown
# Operator-verified LightBurn projects
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- Date: 2026-10-24
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- Provenance: three files explicitly selected by the operator as successfully tested
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- Scope: byte-preserving acquisition and offline XML analysis; no hardware access
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The three explicitly supplied files supersede the earlier exclusion only for
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these selected originals. Other unverified local projects remain excluded.
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Raw geometry, names, paths and complete settings remain in PrivateStash.
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All copied files were verified against their originals with SHA-256.
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See [public manifest](../../evidence/public-lightburn-verified-projects.jsonl).
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All roots are `LightBurnProject`, with `AppVersion="2.1.03"` and
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`FormatVersion="1"`. Process settings occur as direct children of
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`CutSetting`, with numeric strings in a `Value` attribute.
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| Artifact ID | Layer type | Raw `frequency` | Raw `QPulseWidth` |
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| --- | --- | ---: | ---: |
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| `sha256-1e1ec8441cc23ee997a6` | Scan | 200000 | absent |
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| `sha256-1e1ec8441cc23ee997a6` | Cut | 80000 | 180 |
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| `sha256-1e1ec8441cc23ee997a6` | Scan | 1000000 | 10 |
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| `sha256-0807d2a2d1613e1aff90` | Scan | 1000000 | 10 |
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| `sha256-0807d2a2d1613e1aff90` | Cut | 80000 | 180 |
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| `sha256-0807d2a2d1613e1aff90` | Scan | 1000000 | 10 |
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The third verified project, `sha256-4d63253294dcf0239d17`, contains three
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`CutSetting` elements in order: Cut (80000, 180), Scan (1000000, 10), and
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Cut (80000, 180), expressed as raw (frequency, pulse width) pairs.
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Reinspection of all three projects also identifies `CutSetting_Img` in both
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the second and third projects. Each has `type="Image"`, raw `frequency=200000`,
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`ditherMode="3dslice"`, and no `QPulseWidth` child. The third project includes
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Bitmap, Ellipse and Path shapes. These image settings require a separate parser
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path from ordinary `CutSetting`; observing the stored mode does not establish
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Rayforge support for equivalent image processing.
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All five Scan settings also have `crossHatch Value="1"`. These are stored
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layer settings, not independent proof of which settings emitted on a machine.
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Successful operation is the operator's statement; it was not replayed here.
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## Import implications
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This closes the missing operator-verified project serialization evidence gate:
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`frequency` and case-sensitive `QPulseWidth` are now observed in actual
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projects, consistent with the earlier device export findings.
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The absent pulse-width field must remain distinguishable from zero or an
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explicit value. Its effective LightBurn default or inheritance is not established
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by this inspection. An importer must preserve absence and require an explicit,
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validated resolution before a MOPA job can become executable.
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These raw values do not independently establish units, safe ranges, calibration
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or device identity. The next implementation should use synthetic geometry and
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test explicit unit conversions, field absence and invalid values. It must not
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copy private project geometry into public fixtures or enable hardware access.
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The reviewed Windows artifact and manual no-device desktop acceptance remain
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open. ADR 0002 remains Proposed until those gates have also passed.
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