SQLite 3.53.4 source and public-domain evidence for the internal GIS candidate.

The conda package metadata labels this version "blessing" and contains no
separate license text. SQLite's own copyright page states that its deliverable
code is dedicated to the public domain and may be used and distributed for
commercial or noncommercial purposes:
https://www.sqlite.org/copyright.html

The conda build recipe identifies the exact upstream source as:
https://www.sqlite.org/2026/sqlite-autoconf-3530400.tar.gz
SHA-256: 0e9483900e92cd5de8fd48d16bf9200145a61f7fd5be542a5ac81d8a9516eb9c

The source archive with this SHA-256 is saved in the adjacent sources folder.
This evidence note was written for the candidate; it is not an upstream
license file and does not constitute a review of other bundled libraries.
