{"dataset":"Twellie 2026 US Homebuyer Public Records Route Audit","current_version":"1.2","correction_email":"editorial@twellie.com","review_target":"Triage a reproducible correction within five business days.","submission_fields":["dataset and record_id or postal_code","field believed to be wrong","authoritative replacement URL or evidence","date observed"],"policy":"Verified material corrections receive a new dataset version, a dated ledger entry, refreshed downloads, and an updated substantive review date. A deployment alone does not change the review date.","releases":[{"version":"1.0","date":"2026-07-10","data_changed":true,"note":"Initial public 51-jurisdiction route snapshot."},{"version":"1.1","date":"2026-07-11","data_changed":true,"note":"Replaced the Mississippi starting route after substantive review; the published route-classification aggregates did not change."},{"version":"1.2","date":"2026-07-11","data_changed":false,"note":"Added stable row identifiers, chart-ready aggregates, a field-level data dictionary, package checksums, and this correction ledger."}]}