Pinned public sources of datazone-ahah (AHAH versions 1 to 5.1)

The open-licence downloads the datazone-ahah build reads, archived byte for byte as its registry pins them: the Access to Healthy Assets and Hazards index (AHAH) versions 1, 2, 3, 4 and 5.1 with their data summaries, dictionary and methodology documents, as downloaded from the Geographic Data Service on 29 October 2026, and the Scottish Government's 2011 and 2022 data zone lookups from data.gov.scot. Every file is listed with its SHA256 in the three SOURCES.md files. Software: https://github.com/mtinti/datazone-ahah. AHAH is published under the UK Open Government Licence v3.0. Cite Daras K, Green MA, Davies A, Barr B, Singleton A (2019), Open data on health-related neighbourhood features in Great Britain, Scientific Data 6, 107, doi:10.1038/s41597-019-0114-6. Data provided by the Geographic Data Service, a Smart Data Research UK investment, ES/Z504464/1. Data zone lookups: Scottish Government, Open Government Licence v3.0.