Primary definition
Punched paper tape used to provide key streams on a one-time basis in certain machine cryptosystems.
Also known asone-time tape · OTT · one-time punched tape · one-time key tape · one-time tape system
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
Understand more election terms clearly
Get one important election term explained each week, with authoritative sources, practical context and related definitions.
Free. One useful email each week. Unsubscribe anytime.Learn more about the ESG newsletter →
CNSSGC
Punched paper tape used to provide key streams on a one-time basis in certain machine cryptosystems.
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). One Time Tape (ott). In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/one-time-tape-ott
Sources
1 cited · last checked Aug 9, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
Single-source
Get the weekly election term
Receive one cited, source-backed election explanation in your inbox each week.
Get election terms explained weekly →
Free · Nonpartisan · Unsubscribe anytime.