open-standards/map/CONTRIBUTING.md
Transaction Science ba1212361f Add aac, map, sandbox standards; catalog the standards family
Commit the previously-untracked standard directories and catalog them in the
root README alongside proof:

- aac/    — communication cargo class: portable boards + a ten-level
            offline-first cascade (Apache-2.0 code / CC-BY-4.0 spec).
- map/    — geospatial cargo class: range-requestable signed tilesets +
            an F0–F4 fidelity cascade (Apache-2.0 code / CC-BY-4.0 spec).
- sandbox/— isolated, metered, attested execution across the heterogeneous
            compute fabric (Apache-2.0 code / CC-BY-4.0 spec).
- jouleclaw-otel-authz, jouleclaw-trust — new jouleclaw reference crates.

Root README now lists aac, map, sandbox, and proof in the catalog, the tree,
and the contribution guide.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-07 17:04:36 -04:00

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Markdown

# Contributing to Map
Map is one of the [Transaction Science open standards](../README.md). The wire
format and the right to fork are public; Transaction Science is the steward, not
the proprietor.
## Ground rules
- **Reference code** (`map-rs/`) is Apache-2.0. **Specification text** (`SPEC.md`,
`spec/`, `vocab/`) is CC-BY-4.0.
- Rust toolchain is pinned by the repo `rust-toolchain.toml`. `cargo test
--workspace` MUST pass and `cargo clippy --workspace --all-targets` MUST be
warning-free.
- Any change to a wire structure requires regenerating and committing
`conformance/v1/` (`cargo run -p map-conformance --bin gen-vectors`) and a note
in `CHANGELOG.md`.
## The smallest valuable contributions
- **Conformance:** adversarial negatives (a directory whose root disagrees with
its entries, a revision-chain fork, a viewport whose range planner over-fetches),
and independent implementations certifying against `conformance/v1/`.
- **Substrate port:** real `map-index` (S2 + 4D), `map-tiles` (MVT / raster / 3D
Tiles), `map-orbital` (SGP4), `map-route` — see [`ROADMAP.md`](ROADMAP.md).
- **Measured energy:** backends feeding the receipt's `HwShunt` path (RAPL/SMC)
so a resolver reports measured joules instead of the estimator.
- **Codecs:** new tile payload codecs registered behind the `Tile` cargo, with
conformance vectors per codec.
Issues and PRs scope by the `map` subdirectory tag.