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abstract indexed · arXiv 2610.18352 · updated 2026-10-18

Let the Mind Conceive, Let the Hand Achieve: Following Multimodal Instructions for Long-Horizon Robotic Manipulation

First page of Let the Mind Conceive, Let the Hand Achieve: Following Multimodal Instructions for Long-Horizon Robotic Manipulation
From the original paper · arXiv 2610.18352Page 1. Select the image to read the PDF.

Orchestra replaces monolithic end-to-end action policies for multi-step robot instructions with a harness that decomposes instructions into ordered subtasks, maintains shared spatial and progress context, and uses a separately trained progress evaluator to decide when to advance. The cost is added system complexity: a planner, context tracking, and a separately trained progress evaluator on top of the action policy, plus dependence on the underlying pi_0.5-style policy. It can fail when the progress evaluator misjudges subtask completion, when object-location tracking drifts as the scene changes, or when the base action policy cannot execute a decomposed subtask it was not trained on.

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What you would change

Try the proposed planning step on tasks with checkable intermediate outcomes.

Try the idea on your product

A proposed first test. Set your budget and success criteria before running it.

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Compare against

The same agent solving the same tasks without the new planning step.

  1. Locate the paper's implementation and check its license, model support, data needs, and hardware requirements. Stop here if you cannot obtain the required artifacts.
  2. Save a small set of representative product tasks and expected outcomes. Keep evaluation tasks out of any training or tuning, and choose quality and cost limits before running.
  3. Run the baseline and the proposed change on identical inputs. Keep other settings fixed and repeat paired runs to expose variation.
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What to measure

Task completion, unnecessary steps, planning tokens, response time, and total cost.

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Why it was shortlisted

The technical change, research area, and reason it entered the archive.

recommendation
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research area
planning and decomposition
technical change
Planner-executor harness for long-horizon robot manipulation
published
2026-10-13

The results are confined to robotic manipulation benchmarks requiring physical robots and a specialized base policy, so the harness pattern is worth monitoring but not directly deployable in a typical constrained-infrastructure production stack.

About the technical core

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Claims and evidence

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  1. claim 01Paperraft inference
    Read the brief interpretation

    Orchestra replaces monolithic end-to-end action policies for multi-step robot instructions with a harness that decomposes instructions into ordered subtasks, maintains shared spatial and progress context, and uses a separately trained progress evaluator to decide when to advance. The cost is added system complexity: a planner, context tracking, and a separately trained progress evaluator on top of the action policy, plus dependence on the underlying pi_0.5-style policy. It can fail when the progress evaluator misjudges subtask completion, when object-location tracking drifts as the scene changes, or when the base action policy cannot execute a decomposed subtask it was not trained on.

    This is a Paperraft inference. It is not pinned to a verified PDF passage.

    Inspect the source
  2. claim 02Paperraft inference

    On RMBench-Compose, Orchestra reaches an Average Success Length of 7.35 subtasks, 2.46 times that of HarnessVLA; it also beats Mem-0 by 26.22 success-rate points on RMBench and improves real-world mean ASL by 25.0% over the base policy.

    This is a Paperraft inference. It is not pinned to a verified PDF passage.

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Exposure map

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quality

Still unknown

Which tasks improve, and which regress against the baseline?

compute and memory

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latency

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Are startup time, typical response time, and slow requests measured separately?

operations

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What must be monitored, maintained, and rolled back?

software compatibility

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Does the implementation support your model, runtime, and hardware?

security

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data and training

Still unknown

What data preparation or training is required, and is it included in the cost?

reproducibility

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Are code, versions, inputs, and evaluation scripts available?

Continue the investigation

A reading guide for planning and decomposition.

Editorial prompts, not findings from this paper or a validated test plan. Detailed analysis is still pending for the topics below.

What to inspect

Which assumptions does the proposed method need, and where might your workload violate them?

Plan a fair comparison

Identify the baseline, metric, dataset, and experimental settings in the paper. Which can you match?

Questions for adoption

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Inside the paper

Preview the first 3 pages of the original PDF. Click the stack to turn the page.

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Provisional research brief updated 2026-10-18. Paperraft has not reproduced this experiment.

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arXiv 2610.18352

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