Pith Number

pith:3A2OQLJW

pith:2025:3A2OQLJWTGFKBGRP2LLY2T7RXX

not attested not anchored not stored refs pending

ParticleFormer: A 3D Point Cloud World Model for Multi-Object, Multi-Material Robotic Manipulation

Jiankai Sun, Mac Schwager, Qianzhong Chen, Suning Huang, Xiaohan Zhang

arxiv:2506.23126 v4 · 2025-06-29 · cs.RO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3A2OQLJWTGFKBGRP2LLY2T7RXX}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

6 papers in Pith

Grounding Spatial Relations in a Compact World Model: Instruction Leakage and a Goal-Free Dynamics Fix

Agentic World Modeling: Foundations, Capabilities, Laws, and Beyond

Ctrl-World: A Controllable Generative World Model for Robot Manipulation

Breaking Lock-In: Preserving Steerability under Low-Data VLA Post-Training

Agentic World Modeling: Foundations, Capabilities, Laws, and Beyond

Receipt and verification

First computed	2026-07-05T11:59:16.643942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d834e82d36998aa09a2fd2d78d4ff1bdfc8cb85c3231cbf6ef52ab56c932f52a

Aliases

arxiv: 2506.23126 · arxiv_version: 2506.23126v4 · doi: 10.48550/arxiv.2506.23126 · pith_short_12: 3A2OQLJWTGFK · pith_short_16: 3A2OQLJWTGFKBGRP · pith_short_8: 3A2OQLJW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3A2OQLJWTGFKBGRP2LLY2T7RXX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d834e82d36998aa09a2fd2d78d4ff1bdfc8cb85c3231cbf6ef52ab56c932f52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1a9905d53f1f4bd11bb4f2305fceb74f26cdcc2bd4f67035a6ea6e6f56bf167",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-06-29T07:23:56Z",
    "title_canon_sha256": "21a376320d12926d32f5629af552027dc5151d7e76ed4f4e56ffaae399353224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23126",
    "kind": "arxiv",
    "version": 4
  }
}