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Ray pt4115b89e: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero 03bcc31
{"orientation_deg": 0, "font_size_mm": 0.3659, "reading": {"source": "pin1_xy", "pin1_xy": [-1.85, 1.5], "dot": null}, "legible_estimate": true, "natural_up": null, "overflow": false}