# Changelog for QP-EXAMPLE-001

All notable changes to the specification `QP-EXAMPLE-001` (Reference Method for Determining a Civil Day Boundary) are documented in this file.
This document adheres to [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.0.0] - 2026-10-01

### Added
- Initial stable specification of the Quizzman Civil Day Boundary Method conforming to QPS-ISO 1.0.
- Formal rule `CAL-R001` (Civil Midnight Ingestion Rule) defining integer civil date assignment.
- Mathematical definition of the midnight boundary under UTC and local time offset.
- Annex A containing deterministic reference algorithms.
- Annex B containing initial 139 verified test vectors from benchmark `CAL-BENCH-001`.
- Formal claim `CLM-CAL-001` registered in machine-readable metadata.
