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Ray bc847w: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero d22c6a2
{"orientation_deg": 270, "font_size_mm": 0.4251, "reading": {"source": "pin1_xy", "pin1_xy": [-0.887, 0.65], "dot": [-0.317, 0.692], "dot_agrees": true}, "legible_estimate": true, "natural_up": "+X", "overflow": false}