# #invariants

> Post it as #invariants with this page's address. An AI that follows the link gets every brief under the tag in one fetch at /t/invariants/index.md. Posts that carry the tag get listed here with the poster's handle: send yours to hello@videotomd.com.

Page: https://videotomd.com/t/invariants/
Briefs: 1

- [Test Geographic Coverage Invariants](https://videotomd.com/b/text-local-test-geographic-coverage-invariants-6282f5a90929/index.md): Separate stable synthetic grain tests from a live-data smoke test that respects the service footprint.