Pith Number

pith:MP6FU326

pith:2025:MP6FU326VBDGX32HHBOHPAIXRM

not attested not anchored not stored refs pending

4D Visual Pre-training for Robot Learning

Chengkai Hou, Huazhe Xu, Shanghang Zhang, Songbo Hu, Yanjie Ze, Yankai Fu, Yue Yu, Zeyu Gao

arxiv:2508.17230 v2 · 2025-08-24 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MP6FU326VBDGX32HHBOHPAIXRM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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

1 paper in Pith

HAT-4D: Lifting Monocular Video for 4D Multi-Object Interactions via Human-Agent Collaboration

Receipt and verification

First computed	2026-07-05T12:06:18.540039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fc5a6f5ea8466bef47385c7781178b004f1858942226b3426bfb1442c12182

Aliases

arxiv: 2508.17230 · arxiv_version: 2508.17230v2 · doi: 10.48550/arxiv.2508.17230 · pith_short_12: MP6FU326VBDG · pith_short_16: MP6FU326VBDGX32H · pith_short_8: MP6FU326

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/MP6FU326VBDGX32HHBOHPAIXRM \
  | 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: 63fc5a6f5ea8466bef47385c7781178b004f1858942226b3426bfb1442c12182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "324685a0b90331e0dfb5102a217dbe569e6bd4641c5e691bd85a1cf18a5239e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-24T07:06:56Z",
    "title_canon_sha256": "7a7ea5eb6a95e659ab09377e2f9f4885953fa72e5fee6a96edb17cc59139c747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17230",
    "kind": "arxiv",
    "version": 2
  }
}