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citesure 0.2: CourtListener case law and CJK title matching

SybilGambleyyu released citesure 0.2, an open-source tool that validates legal citations against the Free Law Project's CourtListener database and improves matching for CJK (Chinese, Japanese, Korean) titles. The update addresses common failure modes in LLM-generated bibliographies, such as invented reporter cites in law review drafts and mangled Chinese titles in multilingual papers.

read1 min views1 publishedJul 22, 2026

LLM-written bibliographies do not stop at arXiv preprints. Law review drafts invent reporter cites; multilingual papers mangle Chinese titles. citesure 0.2 extends the integrity gate into those failure modes.

References that look like court cases — @jurisdiction

entries, Plaintiff v. Defendant

titles, or reporter strings such as 347 U.S. 483

— are resolved against Free Law Project CourtListener. Ranking prefers an exact reporter cite over companion orders, so Brown lands on 347 U.S. 483

rather than a later procedural listing.

@jurisdiction{brown1954,
  title        = {Brown v. Board of Education},
  year         = {1954},
  howpublished = {347 U.S. 483},
}
citesure check examples/packs/us-case-law.bib
citesure warm-cache cases.bib

Optional COURTLISTENER_TOKEN

for higher rate limits. Law-review CI: templates/journal/law-review.yml

.

NFKC + fullwidth folding; character-level similarity for CJK-heavy titles; CJK bigrams in claim scoring so Chinese claims are not silently empty.

us-case-law

pip install "git+https://github.com/SybilGambleyyu/citesure.git[pdf]"

Source: github.com/SybilGambleyyu/citesure · Demo: workers.dev

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