{
  "schemaVersion": "1.0",
  "runId": "orch-1771178662-b5e7ac42",
  "agent": "webster",
  "status": "complete",
  "result": "The Coefficient of Thermal Expansion (CTE) for Corning ULE glass (Code 7972) is 0 ± 30 ppb/°C over the temperature range of 5°C to 35°C. This can also be expressed as 0 ± 0.03 x 10⁻⁶ /°C. Source: Corning ULE® 7972 Datasheet (https://www.spacematdb.com/spacemat/manudatasheets/ulebro91106.pdf)",
  "artifacts": [],
  "confidence": "high",
  "notes": "The value is specified for a 5°C to 35°C range, which includes the requested 20-25°C range.",
  "timestamp": "2026-02-15T18:04:51Z"
}