A string of canonical MIRL records is serialized to UTF-8 bytes, wrapped in a SEAM-HS/1 envelope, and written straight into the RGB channels of a lossless PNG — three payload bytes per pixel, no OCR, no recompilation.
The input is already readable machine language — canonical KIND|id|json records. The compression happened on the way into MIRL, not here.
A SEAM-HS/1 envelope records the payload format, exact byte length, and SHA-256 so the surface verifies bit-for-bit.
Payload bytes are written three-per-pixel into a lossless PNG. The pixels are the bytes — query it directly, no OCR.