{
  "schema": "OTR-MARKET-SOURCE-RESPONSE-EXCERPT-1",
  "provider": "Coinbase Exchange",
  "provider_product_id": "BTC-USD",
  "currency": "USD",
  "source_url": "https://api.exchange.coinbase.com/products/BTC-USD/candles?granularity=60&start=2026-10-09T01%3A10%3A00Z&end=2026-10-09T01%3A17%3A00Z",
  "original_response_http_status": 200,
  "original_response_retrieved_at_utc": "2026-10-09T01:19:14.375110+00:00",
  "original_complete_response_sha256": "5fc54ceb90af9cfb896efccce807c288254677cc68f6841571880fbbe09975fd",
  "original_complete_response_available": false,
  "original_complete_response_loss_reason": "The execution workspace reset after successful retrieval and validation. The complete raw response no longer exists in this workspace.",
  "excerpt_origin": "Exact selected row and retrieval facts retained in successful tool output before the workspace reset. This is an excerpt, not a recreated complete original response.",
  "original_response_row_count": 8,
  "original_selected_array_index": 2,
  "row_layout": [
    "time",
    "low",
    "high",
    "open",
    "close",
    "volume"
  ],
  "selected_row": [
    1791508500,
    81598.7,
    81678.41,
    81667.79,
    81614.72,
    4.50857103
  ],
  "selected_price_field": "open",
  "selected_price": 81667.79,
  "target_utc": "2026-10-09T01:15:00Z",
  "source_clock_utc": "2026-10-09T01:15:00Z",
  "bar_end_utc": "2026-10-09T01:16:00Z",
  "offset_seconds": 0,
  "selection_verified_before_reset": "Nearest valid completed one-minute OPEN to target, earlier clock wins ties. Selected target is exact and row has positive volume.",
  "excerpt_reconstructed_at_utc": "2026-10-09T01:25:46.104928+00:00"
}