> For the complete documentation index, see [llms.txt](https://docs.konnex.world/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.konnex.world/subnets-workload-classes/roboarm-vla.md).

# Roboarm VLA

![Roboarm manipulation](/files/tP91L9z3cuDOOITRCkeG)

**Workload class:** text-directed **vision–language–action (VLA)** manipulation — bi-manual and kitchen-grade scenarios are common examples; the subnet is not limited to food service.

On testnet, operators issue **task prompts**; miners compete on **trajectories and policies** from VLA / control stacks; validators score candidates on **safety**, **task match**, and **efficiency**. Outputs feed [Proof-of-Physical-Work (PoPW)](/understand-konnex/contracts-and-popw.md) records on the Konnex testnet.

## Testnet

The public dashboard URL for this workload will be announced with the testnet release.

## Task shape (illustrative)

The live UI and chain define the exact fields. Example natural-language tasks:

* *"Pick the apple from the pan and place it on the counter."*
* *"Dice tomatoes and place them into the pan."*

A JSON sketch:

```json
{
  "jobId": "sha3(signed-packet)",
  "prompt": "dice tomatoes and place into pan",
  "arena": "KitchenSim-v1",
  "deadline": 120,
  "rewardTestKNX": "…",
  "kpi": {"time_s": 90, "success": true, "spills": 0}
}
```

Use the fields and token type shown in the testnet product (e.g. testKNX).

## Miner output

* Policy or VLA bundle (e.g. WASM or integration endpoint) with deterministic seeds where the subnet requires them
* Declared KPIs and stake per network rules

## Validation flow (conceptual)

1. Deterministic replay in the subnet’s simulator or harness when applicable.
2. KPI extraction and safety checks.
3. ScoreRoot emission; rewards or slashing per onchain parameters.

## Example prompt

"Pick the red bell pepper, slice into strips, sauté for 2 minutes, then place on the plate."

## See also

* [Subnets overview](/subnets-workload-classes/subnets.md)
* [OpenVLA](/supported-ai-models/openvla.md) · [PI-0 / PI-0.5](/supported-ai-models/ai.md)
* [Decentralized AI ecosystem](/understand-konnex/ai-ecosystem.md)