Pith Number

pith:WPDYVRLS

pith:2025:WPDYVRLS3RCAKNYCKWDEPK5ST4

not attested not anchored not stored refs pending

Pre-training Auto-regressive Robotic Models with 4D Representations

Dantong Niu, Giscard Biamby, Haoru Xue, Junyi Zhang, Roei Herzig, Trevor Darrell, Yuvan Sharma, Ziteng Ji

arxiv:2502.13142 v2 · 2025-02-18 · cs.RO · cs.AI

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPDYVRLS3RCAKNYCKWDEPK5ST4}

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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

5 papers in Pith

EgoWAM: World Action Models Beyond Pixels with In-the-Wild Egocentric Human Data

MotionVLA: Injecting Geometric Motion into Vision-Language-Action Model

Learning Structural Latent Points for Efficient Visual Representations in Robotic Manipulation

BridgeACT: Bridging Human Demonstrations to Robot Actions via Unified Tool-Target Affordances

ST-$\pi$: Structured SpatioTemporal VLA for Robotic Manipulation

Receipt and verification

First computed	2026-07-05T11:04:45.885045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3c78ac572dc44053702558647abb29f3b4acc83124a5b8cb1957cbccd4f5ee9

Aliases

arxiv: 2502.13142 · arxiv_version: 2502.13142v2 · doi: 10.48550/arxiv.2502.13142 · pith_short_12: WPDYVRLS3RCA · pith_short_16: WPDYVRLS3RCAKNYC · pith_short_8: WPDYVRLS

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/WPDYVRLS3RCAKNYCKWDEPK5ST4 \
  | 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: b3c78ac572dc44053702558647abb29f3b4acc83124a5b8cb1957cbccd4f5ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a9fe68a278e40826b9d6cbd8547aed13aa0666ceccf32ec794ad2a7ad08ca9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-02-18T18:59:01Z",
    "title_canon_sha256": "5f793d53dcd26b9fd95ac583cdf40600363838b0a1848898ade7643060a8b81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13142",
    "kind": "arxiv",
    "version": 2
  }
}