Complex sentence: The band claimed that it did not "officially" use the name "Boards of Canada" until the year of 1994, bringing the authenticity of this image (and perhaps the existence of the album itself) into question.
Split into simpler sentences: The band claimed that it did not "officially" use the name "Boards of Canada" until the year of 1994. Bringing the authenticity of this image (or perhaps the existence of the album itself) into question.