{
  "step_id": "research",
  "agent": "webster",
  "status": "complete",
  "result": "The Coefficient of Thermal Expansion (CTE) for Corning ULE glass (Code 7972) is 0 \u00b1 30 ppb/\u00b0C over the temperature range of 5\u00b0C to 35\u00b0C. This can also be expressed as 0 \u00b1 0.03 x 10\u207b\u2076 /\u00b0C. Source: Corning ULE\u00ae 7972 Datasheet (https://www.spacematdb.com/spacemat/manudatasheets/ulebro91106.pdf)",
  "notes": "The value is specified for a 5\u00b0C to 35\u00b0C range, which includes the requested 20-25\u00b0C range.",
  "run": {
    "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 \u00b1 30 ppb/\u00b0C over the temperature range of 5\u00b0C to 35\u00b0C. This can also be expressed as 0 \u00b1 0.03 x 10\u207b\u2076 /\u00b0C. Source: Corning ULE\u00ae 7972 Datasheet (https://www.spacematdb.com/spacemat/manudatasheets/ulebro91106.pdf)",
    "artifacts": [],
    "confidence": "high",
    "notes": "The value is specified for a 5\u00b0C to 35\u00b0C range, which includes the requested 20-25\u00b0C range.",
    "timestamp": "2026-02-15T18:04:51Z",
    "latencyMs": 35497,
    "workflowRunId": "wf-1771178662-8433f771",
    "stepId": "research",
    "exitCode": 0
  },
  "started_at": "2026-02-15T18:04:22.139644+00:00",
  "finished_at": "2026-02-15T18:04:57.732486+00:00",
  "duration_s": 35.593
}