Overview
dsh-checkdigit
Check-digit mathematics toolbox for DeepSeek Harness (dsh): generate, validate, repair and detect check digits for Luhn, Verhoeff, Damm, ISBN-10/13, EAN-8/13, UPC-A, GTIN-14, ISSN, ISIN, CUSIP, IBAN, CAS Registry Number and ABA routing number, plus ISBN-10 <-> ISBN-13 conversion and a single-edit repair search — zero runtime dependencies
README / EN
Package documentation
Registry summary
Check-digit mathematics toolbox for DeepSeek Harness (dsh): generate, validate, repair and detect check digits for Luhn, Verhoeff, Damm, ISBN-10/13, EAN-8/13, UPC-A, GTIN-14, ISSN, ISIN, CUSIP, IBAN, CAS Registry Number and ABA routing number, plus ISBN-10 <-> ISBN-13 conversion and a single-edit repair search — zero runtime dependencies
dsh.pub verifies the pinned bundle contract, runtime facts, and distribution semantics. The complete README remains in the source repository.
Read the full README on GitHub