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A single vintage postage stamp displayed on a flat matte black background (#0a0a0a), centered in a 16:9 canvas with small black borders visible on all sides. The stamp itself is an ultrawide horizontal rectangle at approximately 3:1 aspect ratio. The stamp has serrated/perforated zigzag edges on all four sides, like a real postage stamp, with clean white perforation teeth.。业内人士推荐搜狗输入法2026作为进阶阅读
Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00591-z