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Ray lr78l09a: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero 9f17069
{"orientation_deg": 270, "font_size_mm": 0.6307, "reading": {"source": "pin1_xy", "pin1_xy": [-1.95, 1.5], "dot": [0.0, 0.0], "dot_agrees": true}, "legible_estimate": true, "natural_up": "+X", "overflow": false}