Create Persistent Identifiers for Longitudinal Spatial Data R package spatpersist version 0.1.0 Creates dataset-local persistent identifiers for polygon units observed across time. Configurable overlap metrics, thresholds, and one-to-one matching rules identify continuity while separate identifiers track boundary versions and broader lineages through splits, mergers, and replacements. Candidate-link diagnostics, validation checks, registry reconciliation, and lineage summaries keep the resulting decisions inspectable and reproducible. Software Imports: sf Suggests: knitr, rmarkdown, testthat (>= 3.0.0) Emre Cebeci <cebeciemre1@gmail.com> Comprehensive R Archive Network (CRAN) Emre Cebeci [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=spatpersist/LICENSE) 2026-09-05 application/tgz https://CRAN.R-project.org/package=spatpersist doi:10.32614/CRAN.package.spatpersist