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# TOWER-Assets
Versioned simulation assets for the [TOWER Benchmark](https://github.com/tower-benchmark/TOWER).
Immutable Hugging Face tags identify releases; artifact paths remain stable.
## Modular layout
```text
manifest.json aggregate download index
releases/<version>.json exact module set for one release
modules/stations/*.json shared station modules
modules/tasks/*.json independently versioned task families
station/* shared USD/USDZ station payloads
tasks/* task scenes, initial states, and thin USDA layers
metadata/task-catalog.json discoverable task-family index
```
Each `tower-asset-module-v1` document owns its dependencies, artifacts,
checksums, variants, and task metric protocol. A new task family adds one module
document and its payloads; release tooling discovers it through a
`tower-asset-release-v1` descriptor without a code registry change.
Task USDA files compose the shared station and add only task-specific prims or
overrides. Checkpoint-bound scene JSON uses portable `asset://` and
`generator://` references. Dataset provenance uses non-executable `dataset://`
identifiers. Machine-local paths and local validation reports are not release
artifacts.
The older `tower_transfer`, `cross_tower_transfer`, and `aligned_stack` USDA
files remain staging descriptors. Release `0.0.3` adds complete composed layout
layers and checkpoint-bound scenes for selected Task 2, 4, 5, and 6 variants;
the module descriptor is authoritative for each variant's contents.
## Licensing
TOWER-authored task and block data is licensed under CC BY 4.0. Composite
station assets also contain an AgileX arm model licensed under MIT; see
[`THIRD_PARTY_NOTICES.md`](THIRD_PARTY_NOTICES.md). Per-file license and SHA-256
metadata in [`manifest.json`](manifest.json) is authoritative.
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