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title: "Grounding Spatial Relations in a Compact World Model: Instruction Leakage and a Goal-Free Dynamics Fix — Stuff That Spins"
description: "arXiv:2607.06925v1 Announce Type: new Abstract: Compact world models that condition on a language goal promise to ground relations such as ``put the red block …"
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date: "2026-07-09T04:00:00+00:00"
modified: "2026-07-09T06:02:22.223411+00:00"
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# Grounding Spatial Relations in a Compact World Model: Instruction Leakage and a Goal-Free Dynamics Fix

**Source:** Unknown  
**Published:** July 9, 2026  
**Original:** https://arxiv.org/abs/2607.06925  

## On this page

- [Overview](#overview)

<a id="overview"></a>

## Overview

arXiv:2607.06925v1 Announce Type: new Abstract: Compact world models that condition on a language goal promise to ground relations such as ``put the red block left of the blue block'' using a sparse set of explicit \emph{reference anchors}. We ask when such references actually ground a relation, and identify a trap: a goal-conditioned predictor reaches a striking $0.90$ relation-readout accuracy, yet this is \emph{instruction transcription}, not perception. Withholding the goal collapses it to c

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