{
  "schema_version": "camera-spectra-application-export-1",
  "profile_id": "prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb",
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    "xspd": "/application-data/prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb-r1.xspd",
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    "metadata": "/application-data/prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb-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-canon5d-mark-ii-82cc617f05bb-r1.estimated.siril.json",
    "siril_estimated_alternative": "/application-data/prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb-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_estimate": {
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        {
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      ],
      "interpretation": "energy_response",
      "basis": "The source quantity is not established; energy response is the explicit primary assumption, with a photon-response alternative for sensitivity comparison. Numeric values and profile naming cannot prove source units or optical scope.",
      "metadata": {
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        "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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        "interchannel_scale_comparability": "unknown; channel ratios inherit original possibly incomparable scales",
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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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        "retained_channel_intervals_nm": [
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          {
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          {
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        ],
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      "comparison_limitations": "sampled-assumption difference only; not uncertainty bounds and excludes optics, gain, and measurement-error uncertainty",
      "observed_channel_diagnostics": [
        {
          "channel": "red",
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          "positive_response_centroid_nm": 597.4574997461158,
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          "note": "descriptive numeric summary only; does not identify optical filtering or physical units"
        },
        {
          "channel": "green",
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          "note": "descriptive numeric summary only; does not identify optical filtering or physical units"
        },
        {
          "channel": "blue",
          "positive_peak_wavelength_nm": 460,
          "positive_response_centroid_nm": 469.7488831953752,
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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": {
    "profile": {
      "attribution_required": null,
      "blue": [
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      "camera_id": "cam-sobotka-ref-canon5d-mark-ii",
      "checksum": {
        "algorithm": "sha256",
        "covers": "canonical_profile_revision",
        "value": "74cb9e0ba693cd4fcadcde2cdede8e9c7d57d35c1d3bf7abaf48682e2e8f0814"
      },
      "citation": "Sobotka, camera-spectral-sensitivity, pinned revision ae75f609f5831dc1b9287f9f89a04c1d93ed4efa, 2013.",
      "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,
      "derived_from": [
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          "id": "src-sobotka-jiang2013-mirror",
          "kind": "source_artifact",
          "order": 0,
          "revision": "ae75f609f5831dc1b9287f9f89a04c1d93ed4efa",
          "uri": "https://github.com/sobotka/camera-spectral-sensitivity"
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      "estimation_method": null,
      "green": [
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      "interpolation_method": null,
      "license_id": "lic-src-sobotka-jiang2013-mirror",
      "measurement_method": null,
      "normalization_method": "unknown",
      "optical_configuration": {
        "configuration_id": "cfg-prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb",
        "configuration_type": "unknown",
        "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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        ],
        "external_filters": null,
        "geometry": null,
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        "lens": null,
        "modifier_or_vendor": null,
        "name": "unknown",
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        "replacement_components": null
      },
      "original_normalization_method": "unknown",
      "original_wavelength_unit": "nm",
      "processing_notes": "source_column=cmf_Canon5D Mark II.mat",
      "profile_id": "prf-sobotka-ref-canon5d-mark-ii-82cc617f05bb",
      "profile_revision": 1,
      "profile_type": "measured",
      "provenance_tier": "community_unverified",
      "quality_grade": "unassessed",
      "quality_reason": "Canonical release: no per-leaf scientific-quality assessment is asserted; the source-side claim is preserved verbatim.",
      "red": [
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      "redistribution_allowed": null,
      "response_scale": "unknown",
      "response_scope": "unknown",
      "response_unit": "unknown",
      "retrieved_date": "2026-09-23",
      "rights_evidence_source_ids": [
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      "sample_count": 33,
      "sample_identifiers": null,
      "sampling_interval": 10,
      "schema_version": "0.1.0-draft",
      "scientific_notes": "Canonical release: native grid and native R/G/B samples are preserved verbatim; sparse cells (wavelengths absent in the upstream CSV / JSON) are preserved as null; the parser never invents a value.",
      "source_author": "Sobotka (depositor)",
      "source_id": "src-sobotka-jiang2013-mirror",
      "source_uri": "https://github.com/sobotka/camera-spectral-sensitivity",
      "uncertainty": null,
      "updated_at": "2026-09-23T00:00:00Z",
      "validation_reason": "Mirror copy of an upstream measurement; the depositor's authority to apply the upstream license is not independently re-verified.",
      "validation_status": "unverified",
      "version_date": "2026-09-23",
      "wavelength_max": 720,
      "wavelength_min": 400,
      "wavelength_unit": "nm",
      "wavelengths": [
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      ]
    },
    "source": {
      "authors": [
        "Sobotka (depositor)",
        "Jiang et al. (upstream)"
      ],
      "citation_text": "Sobotka, camera-spectral-sensitivity, pinned revision ae75f609f5831dc1b9287f9f89a04c1d93ed4efa, 2013.",
      "data_acquisition_method": "MATLAB v5 (.mat) mirror; parsed via stdlib-only parse_matlab_v5_bytes. Float32 re-encode of the Jiang float64 curves (max |diff| ~4.9e-6, worst at green[14]@540nm).",
      "doi": null,
      "known_limitations": [
        "source_category=mirror",
        "permission_status is 'unknown' on the canonical License record (no independent operational clearance granted)."
      ],
      "license_id": "lic-src-sobotka-jiang2013-mirror",
      "measurement_method": null,
      "normalization_method": null,
      "organization": "sobotka/camera-spectral-sensitivity",
      "original_wavelength_coverage": {
        "maximum": 720,
        "minimum": 400,
        "unit": "nm"
      },
      "publication": "Jiang et al., WACV 2013",
      "record_version": 1,
      "repository": "https://github.com/sobotka/camera-spectral-sensitivity",
      "retrieved_date": "2026-09-23",
      "rights_notes": "Mirror designation. Upstream Jiang 2013 license is CC BY-NC-SA 4.0; the Sobotka mirror-depositor's authority to apply that license is not independently re-verified.",
      "schema_version": "0.1.0-draft",
      "source_id": "src-sobotka-jiang2013-mirror",
      "title": "Sobotka Jiang 2013 camera spectral sensitivity mirror",
      "url": "https://github.com/sobotka/camera-spectral-sensitivity",
      "version": "ae75f609f5831dc1b9287f9f89a04c1d93ed4efa",
      "year": 2013
    },
    "license": {
      "attribution_required": null,
      "commercial_api_allowed": null,
      "commercial_use_allowed": null,
      "derivatives_allowed": null,
      "evidence_revision": "ae75f609f5831dc1b9287f9f89a04c1d93ed4efa",
      "evidence_url": "https://www.gujinwei.org/research/camspec/db.html",
      "license_id": "lic-src-sobotka-jiang2013-mirror",
      "license_name": null,
      "license_url": null,
      "notes": "Canonical release: observed upstream license text is preserved verbatim on license_name/license_url when available; the operational permission_status is the literal 'unknown' because the owner-updated policy (2026-09-23) revoked the prior bespoke grants. Downstream redistribution requires a fresh per-source review and a new authorization ID.",
      "permission_status": "unknown",
      "record_version": 1,
      "redistribution_allowed": null,
      "reviewed_date": "2026-09-23",
      "rights_holder": "sobotka/camera-spectral-sensitivity",
      "schema_version": "0.1.0-draft",
      "share_alike_required": null
    },
    "dataset_version": "recovered-2026-10-01-siril-source-review-v2"
  }
}