Knowledge Base
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Tagged: priority
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Library
Anagram and Cipher Priority Claims
How 17th-century natural philosophers (Galileo, Huygens, Hooke, Newton) staked priority on a discovery by first publishing it as a dated anagram or letter-count cipher: a hand-built hide-and-bind commitment revealed later.
Patents and Caveats as Priority Instruments
How patent filings and confidential caveats used a neutral state office to record a dated priority for an invention: an institutional timestamp and proof-of-existence marker, ancestor to modern cryptographic timestamping.
Sealed Deposits with Learned Societies
How scientists secured priority by lodging a dated, signed sealed note with a learned society (the French pli cachete, the Soleau envelope), fixing a date without disclosing the content until the seal was opened.
Witnessed and Notarized Laboratory Notebooks
How inventors used bound, dated, countersigned or notarized laboratory notebooks to prove priority, authorship, and a not-later-than date under the historical US first-to-invent patent regime.