{
  "schema_version": "0.1.0",
  "bundle_id": "measurement-bundle-demo-01",
  "revision": "r1",
  "created_at": "2026-07-30T18:05:00Z",
  "context_ref": {
    "context_id": "ctx-demo-petg-0001",
    "revision": "r1"
  },
  "results": [
    {
      "result_id": "result-demo-measured-01",
      "subject_id": "specimen-demo-01",
      "property": "mass",
      "result_origin": "measured",
      "value": {
        "value": 12.4,
        "unit": "g"
      },
      "timestamp": "2026-07-30T17:55:00Z",
      "specimen_state": "as printed, laboratory ambient",
      "method_ref": "method-demo-mass-01",
      "instrument_ref": "instrument-demo-balance-01",
      "calibration_ref": "calibration-demo-balance-01",
      "actor_ref": "actor-demo-operator-01",
      "uncertainty": {
        "value": 0.1,
        "unit": "g",
        "coverage_basis": "Synthetic example only."
      },
      "replicate_index": 1,
      "n_specimens": 1,
      "raw_artifact_refs": ["artifact-balance-export-demo"],
      "evidence_grade": "controlled_matching_system"
    },
    {
      "result_id": "result-demo-predicted-01",
      "subject_id": "specimen-demo-01",
      "property": "illustrative_quality_score",
      "result_origin": "predicted",
      "value": {
        "value": 0.7,
        "unit": "1"
      },
      "timestamp": "2026-07-30T17:04:00Z",
      "evidence_grade": "unverified_report",
      "prediction_lineage": {
        "model_id": "model-demo-01",
        "model_version": "r1",
        "input_context_ref": "ctx-demo-petg-0001",
        "generated_at": "2026-07-30T17:04:00Z",
        "applicability_statement": "Synthetic fixture; not validated and not a recommendation."
      }
    }
  ],
  "outcome_receipt_ref": {
    "receipt_id": "outcome-receipt-demo-01",
    "schema_id": "https://paramat3d.com/outcome-receipt.schema.json",
    "schema_version": "1.0.0",
    "uri": "https://example.org/private/outcomes/outcome-receipt-demo-01.json"
  },
  "outcome_summary": {
    "status": "success",
    "recorded_at": "2026-07-30T18:00:00Z",
    "disposition": "requires_additional_validation"
  },
  "governance": {
    "visibility": "private",
    "public_release": false,
    "rights_status": "restricted",
    "consent": {
      "public_sharing": false,
      "model_training": false,
      "recorded_at": "2026-07-30T18:00:00Z",
      "basis": "Synthetic fixture remains private by default."
    },
    "retention_until": null
  },
  "provenance": {
    "created_by": "actor-demo-operator-01",
    "sources": [
      {
        "source_id": "fixture-source",
        "uri": "https://example.org/open3dpp-fixtures",
        "revision": "r1",
        "rights_status": "restricted"
      }
    ],
    "derived_from_ids": []
  },
  "external_crosswalks": [
    {
      "target_standard": "GEMD",
      "target_version": "unspecified",
      "mapping_class": "sidecar",
      "mapping_artifact_ref": {
        "artifact_id": "crosswalk-demo-gemd"
      },
      "information_loss": "The fixture does not instantiate the complete target graph or material history."
    }
  ],
  "extensions": {
    "urn:open3dpp:example": {
      "fixture": true
    }
  }
}