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Akamai Uniqlo T-Shirt Hides Animated Bash Easter Egg

Hacker News •
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A Uniqlo t-shirt designed by Akamai for its Peace for All All campaign ships with an obfuscated base64-encoded bash script printed across the back. The author discovered the shebang while shopping, transcribed the alphanumeric block using Android circle-to-search OCR, Tesseract, and Claude, then decoded it to reveal a self-evaluating Easter egg that animates "PEACEFORALL" as a sine wave across the terminal.

The decoded script uses tput for terminal dimensions and cursor control, bc for floating-point trigonometry, and 256-color ANSI escape sequences to cycle a cyan-to-orange gradient. Each frame calculates a sine-based x-position, prints a single character at the computed coordinates, then feeds a newline to scroll downward. A SIGINT trap restores the cursor on exit. The animation runs in an infinite loop with a 0.2 frequency scalar, creating a continuous wave effect.

Transcription required cross-referencing three OCR passes to achieve a perfect base64 string — critical because the encoding lacks error correction. The font choice struck the author as Consolas, a Windows-centric monospace face identifiable by its shallow-slashed zero and serifless one. A companion shirt in the same line suffers from truncated code that would never compile, its imports cut off mid-statement.

Akamai's press release frames the shirt as a callback to "beige box" early-internet hardware and Linux as the common language uniting brands. The stunt works technically — the script executes cleanly on any POSIX shell with bc installed — but the incomplete sibling design suggests quality control gaps in the production pipeline. The real artifact isn't the code itself but the friction of moving executable logic from fabric to terminal without a single transcription error.