{
  "schema_version": "1.0.0",
  "receipt_id": "local-receipt-2026-07-24-001",
  "recorded_at": "2026-07-24T18:30:00Z",
  "material": {
    "brand": "Prusament",
    "product": "PETG",
    "family": "PETG",
    "spool_ref": "local-spool-042",
    "catalog_revision": "operator-recorded"
  },
  "printer": {
    "model": "Operator printer A",
    "printer_ref": "local-printer-a",
    "nozzle_diameter_mm": 0.4,
    "nozzle_material": "hardened steel",
    "enclosed": false
  },
  "job": {
    "job_ref": "local-job-2026-07-24-001",
    "slicer": "OrcaSlicer",
    "slicer_version": "operator-recorded",
    "profile_ref": "operator-reviewed-petg-v3",
    "geometry_class": "functional bracket",
    "estimated_material_g": 84
  },
  "settings_used": {
    "nozzle_c": 250,
    "bed_c": 85,
    "chamber_c": null,
    "layer_height_mm": 0.2,
    "print_speed_mm_s": 120,
    "flow_ratio": 1,
    "fan_pct": 40,
    "max_volumetric_speed_mm3s": 12,
    "retraction_length_mm": 0.8,
    "pressure_advance": 0.04
  },
  "material_condition": {
    "moisture_state": "dried",
    "drying_temp_c": 65,
    "drying_duration_h": 6,
    "conditioning_rh_pct": null,
    "conditioning_duration_h": null,
    "measured_moisture_pct": null,
    "measurement_method": null,
    "time_since_drying_h": 2
  },
  "process_context": {
    "build_orientation": "flat",
    "plate_part_count": 4,
    "plate_position": "front-left",
    "interlayer_time_s": null,
    "actual_nozzle_c": null,
    "actual_print_speed_mm_s": null,
    "specimen_standard": null,
    "specimen_thickness_mm": null,
    "ambient_rh_pct": 42
  },
  "result": {
    "status": "success",
    "rating": 4,
    "failure_classes": [],
    "notes": "Completed without visible under-extrusion or first-layer release."
  },
  "operator_correction": {
    "summary": "Reduced fan after the first trial.",
    "changed_fields": [
      "settings_used.fan_pct"
    ]
  },
  "provenance": {
    "recommendation_source": "paramat",
    "preflight_decision": "compatible",
    "evidence_revision": "operator-recorded"
  },
  "privacy": {
    "share_scope": "private",
    "consent_to_share": false,
    "retention_days": null
  }
}