{
  "schema_version": "camera-spectra-application-export-1",
  "profile_id": "prf-sobotka-ref-nikond90-3cf14ed8587e",
  "profile_revision": 1,
  "exports": {
    "xspd": "/application-data/prf-sobotka-ref-nikond90-3cf14ed8587e-r1.xspd",
    "siril": null,
    "metadata": "/application-data/prf-sobotka-ref-nikond90-3cf14ed8587e-r1.metadata.json",
    "xspd_reason": null,
    "siril_reason": "The source does not establish a sensor-only response. A Siril sensor export would misrepresent its physical scope; use CSV or source JSON.",
    "siril_estimated": "/application-data/prf-sobotka-ref-nikond90-3cf14ed8587e-r1.estimated.siril.json",
    "siril_estimated_alternative": "/application-data/prf-sobotka-ref-nikond90-3cf14ed8587e-r1.alternative-estimate.siril.json",
    "siril_estimated_reason": null,
    "siril_estimated_note": "Estimated relative photon response. Assumes the source values describe energy response. Source optics remain unseparated; calibration accuracy is unverified.",
    "notes": []
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  "siril_assessment": null,
  "siril_estimate": {
    "primary": {
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      "metadata": {
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    "alternative": {
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      "interpretation": "photon_response",
      "basis": "Alternative photon-response source-quantity assumption applied to the same numeric samples; this is a sensitivity comparison, not a probability or claim that the source measured this quantity.",
      "metadata": {
        "status": "estimated",
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        "original_response_scale": "unknown",
        "original_response_scope": "unknown",
        "source_attribution": "Sobotka (depositor); Sobotka Jiang 2013 camera spectral sensitivity mirror; src-sobotka-jiang2013-mirror; Sobotka, camera-spectral-sensitivity, pinned revision ae75f609f5831dc1b9287f9f89a04c1d93ed4efa, 2013.; https://github.com/sobotka/camera-spectral-sensitivity",
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      "primary_basis": "energy_response_assumption",
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      "comparison_limitations": "sampled-assumption difference only; not uncertainty bounds and excludes optics, gain, and measurement-error uncertainty",
      "observed_channel_diagnostics": [
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          "note": "descriptive numeric summary only; does not identify optical filtering or physical units"
        },
        {
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          "note": "descriptive numeric summary only; does not identify optical filtering or physical units"
        },
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          "note": "descriptive numeric summary only; does not identify optical filtering or physical units"
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  "transformations": {
    "xspd": "Longest uninterrupted native run per channel; no interpolation, padding, rescaling or default replacement. Repeated identical wavelength/value pairs removed.",
    "siril": "Source scales and channel grids retained. Pairs sorted by wavelength and repeated identical wavelength/value pairs removed.",
    "siril_estimated": "Derived relative photon-response model with documented source-quantity assumptions, numeric repairs and shared RGB normalization. Original samples and unknown source metadata are preserved separately."
  },
  "compatibility": "Format validation does not establish calibration accuracy or a complete optical response.",
  "original": {
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      "camera_id": "cam-sobotka-ref-nikond90",
      "checksum": {
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        "value": "594cf804aa56b13f4ee7cee48eb7dc4feb5d0875b6b9b62a001732c2dd8c1250"
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      "commercial_api_allowed": null,
      "confidence_grade": "unassessed",
      "confidence_reason": "Canonical release: no claim about the per-leaf measurement precision is asserted; the upstream 'as is' wording (where present) is preserved.",
      "created_at": "2026-09-23T00:00:00Z",
      "derivatives_allowed": null,
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        "description": "Canonical release: the optical configuration is honestly unknown; lens, body serial, filter stack, and hot-mirror / IR-cut filter state are not documented per leaf in the inspected source.",
        "evidence_source_ids": [
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        "name": "unknown",
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      "original_normalization_method": "unknown",
      "original_wavelength_unit": "nm",
      "processing_notes": "source_column=cmf_NikonD90.mat",
      "profile_id": "prf-sobotka-ref-nikond90-3cf14ed8587e",
      "profile_revision": 1,
      "profile_type": "measured",
      "provenance_tier": "community_unverified",
      "quality_grade": "unassessed",
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}