{
  "kind": "skyclimate-existing-v4-reference-presentation-v1",
  "purpose": "demo-presentation-only",
  "engineering_release_admission": false,
  "claim_class": "model-derived-screening",
  "local_calibration": false,
  "source_manifest_sha256": "sha256:4509aef41763f60ee704b1b1a377b725fb79ce9cd3879a1be23bbafd46887f94",
  "source_report_sha256": "sha256:ac51ae3da764b6b77098422b0ef81a1c87b8b333693624324f28c0fc4409ec03",
  "reference_freeze_sha256": "sha256:3c341252f9e3f3bf753f1db5c6fca0f235792b20e706e21325df941643f97357",
  "summary_id": "scl137ms1-f8e15c56d9880a9d9ce5b1b391a18f00d87d87cbcb1281ec1bf91874ee78ada9",
  "parent_monthly_pack_id": "sclem1-4c6460c239500ce9d6e15a3ce592312a99c8c9f3c056d61dbde75de9ba759731",
  "map_period": {
    "start": "2018-01-01T00:00:00Z",
    "end_exclusive": "2018-02-01T00:00:00Z",
    "cadence": "PT3H",
    "count": 248
  },
  "map_summary_sha256": "sha256:02474c7aa3355dfda9ad9c9fbbfda25f97592ff34d3ffc3a1285873e0436bdd9",
  "map_summary_size_bytes": 50675797,
  "method": "exact-existing-monthly-median-and-support-column-selection; no-new-turbulence-calculation",
  "source_release_authority_unchanged": "phase-f-evaluation-only",
  "all_summary_objects_size_and_sha256_verified": true,
  "limitations": [
    "January 2018 only; not a multi-year or seasonal climatology.",
    "Median uses each metric's finite samples independently; count is provided and can be as low as one.",
    "Model-derived V4 screening; surface-layer turbulence can be underestimated and r0 optimistic.",
    "Reference Rytov variance is not a measured scintillation or a directional link prediction.",
    "PWV is above the ERA5 model surface, not corrected to a candidate's actual altitude."
  ]
}