{
  "schema_version": "camera-spectra-application-export-1",
  "profile_id": "prf-ie2024-nikon-z6-ii-gx-occ69",
  "profile_revision": 1,
  "exports": {
    "xspd": "/application-data/prf-ie2024-nikon-z6-ii-gx-occ69-r1.xspd",
    "siril": null,
    "metadata": "/application-data/prf-ie2024-nikon-z6-ii-gx-occ69-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-ie2024-nikon-z6-ii-gx-occ69-r1.estimated.siril.json",
    "siril_estimated_alternative": "/application-data/prf-ie2024-nikon-z6-ii-gx-occ69-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": [
      "XSPD contains the longest uninterrupted native range of each channel. Gaps and omitted samples remain in CSV and source JSON."
    ]
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        "source_attribution": "Image Engineering GmbH & Co. KG; Image Engineering spectral sensitivities workbook (April 2024); src-ie-202404-private; Image Engineering GmbH & Co. KG, Spectral sensitivities workbook (April 2024).; https://image-engineering.de/",
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        "evidence_source_ids": [
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      "authors": [
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      "doi": null,
      "known_limitations": [
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      "repository": "https://image-engineering.de/",
      "retrieved_date": "2026-09-23",
      "rights_notes": "The workbook was supplied by the project owner. The source license is unknown; no redistribution or downstream reuse grant is identified by the intake evidence.",
      "schema_version": "0.1.0-draft",
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      "title": "Image Engineering spectral sensitivities workbook (April 2024)",
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      "license_id": "lic-src-ie-202404-private",
      "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.",
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}