Pith Number

pith:CYLS74LA

pith:2026:CYLS74LA5OHOGDEKSB6NOLUMGI

not attested not anchored not stored refs pending

S2-HWM: Sparse Event-Structured Hierarchical World Model for Long-Horizon Surgical Robot Manipulation

Qiong Wang, Shuzhe Zhang, Xin Zhu, Yinling Qian

arxiv:2608.13103 v1 · 2026-08-13 · cs.RO · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYLS74LA5OHOGDEKSB6NOLUMGI}

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.

Receipt and verification

First computed	2026-08-14T01:00:22.420387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16172ff160eb8ee30c8a907cd72e8c321807fecc22c079d101e57680da334c83

Aliases

arxiv: 2608.13103 · arxiv_version: 2608.13103v1 · doi: 10.48550/arxiv.2608.13103 · pith_short_12: CYLS74LA5OHO · pith_short_16: CYLS74LA5OHOGDEK · pith_short_8: CYLS74LA

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/CYLS74LA5OHOGDEKSB6NOLUMGI \
  | 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: 16172ff160eb8ee30c8a907cd72e8c321807fecc22c079d101e57680da334c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab42bc5170cecb82db71a34daf1e5752990a28535ce5d74f69f0596a331a31d6",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-08-13T11:29:20Z",
    "title_canon_sha256": "5bf08616df87b85c9a0926c916379d87865833340281d97c7ce29f95a8d35c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.13103",
    "kind": "arxiv",
    "version": 1
  }
}