『Paper Ticket - Punch Holes and Watermarks: The Ingenious Security of a Low-Tech System』のカバーアート

Paper Ticket - Punch Holes and Watermarks: The Ingenious Security of a Low-Tech System

Paper Ticket - Punch Holes and Watermarks: The Ingenious Security of a Low-Tech System

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今ならプレミアムプランが3カ月 月額99円

2026年5月12日まで。4か月目以降は月額1,500円で自動更新します。

概要

Join host Celeste Skye as she explores anti-counterfeiting techniques of the pre-digital travel era. Discover watermarked paper, proprietary inks, ticket punches, and sharp-eyed conductors waging a century-long war against forgers—armed with craftsmanship, chemistry, and human attention. A fascinating look at security before barcodes.

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This content was created in partnership and with the help of Artificial Intelligence AI
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