Pith Number

pith:5IO2DY2Q

pith:2026:5IO2DY2QOYWGH6FZIU6IALWZNZ

not attested not anchored not stored refs pending

Do LLMs Build World Models From Text? A Multilingual Diagnostic of Spatial Reasoning

Chih-Ting Liao, Chunlei Meng, Chunrui Liu, Xin Cao, Xi Xiao, Yitong Qiao, Zhangquan Chen, Zhikai Pan

arxiv:2605.28277 v1 · 2026-05-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IO2DY2QOYWGH6FZIU6IALWZNZ}

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	2026-05-28T01:05:04.989713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1da1e350762c63f8b9453c802ed96e69e0c6491633dabf34a56f0ecdaba00b

Aliases

arxiv: 2605.28277 · arxiv_version: 2605.28277v1 · doi: 10.48550/arxiv.2605.28277 · pith_short_12: 5IO2DY2QOYWG · pith_short_16: 5IO2DY2QOYWGH6FZ · pith_short_8: 5IO2DY2Q

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/5IO2DY2QOYWGH6FZIU6IALWZNZ \
  | 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: ea1da1e350762c63f8b9453c802ed96e69e0c6491633dabf34a56f0ecdaba00b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda4c4707fd67a036de5631c4a60020d4ad8b2d8ecfcd27366a70ecb9bedc298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-27T10:20:53Z",
    "title_canon_sha256": "6dfbbb63b2217a16bbfaf5478ed305151581b7e3f8412b3d1fa117c25f365390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28277",
    "kind": "arxiv",
    "version": 1
  }
}