Pith Number

pith:EPW6765A

pith:2025:EPW6765AJX37KM23SAPIGZNTQI

not attested not anchored not stored refs pending

A Simple yet Effective Layout Token in Large Language Models for Document Understanding

Chuwei Luo, Feiyu Gao, Hangdi Xing, Ji Zhang, Qi Zheng, Zhaoqing Zhu, Zirui Shao

arxiv:2503.18434 v1 · 2025-03-24 · 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{EPW6765AJX37KM23SAPIGZNTQI}

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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

3 papers in Pith

Structured Layout Priors for Robust Out-of-Distribution Visual Document Understanding

PaceLLM: Brain-Inspired Large Language Models for Long-Context Understanding

A Survey on MLLM-based Visually Rich Document Understanding: Methods, Challenges, and Emerging Trends

Receipt and verification

First computed	2026-07-05T10:38:10.554007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23edeffba04df7f5335b901e8365b38238fc305f1679c2efafb5c8810e063683

Aliases

arxiv: 2503.18434 · arxiv_version: 2503.18434v1 · doi: 10.48550/arxiv.2503.18434 · pith_short_12: EPW6765AJX37 · pith_short_16: EPW6765AJX37KM23 · pith_short_8: EPW6765A

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/EPW6765AJX37KM23SAPIGZNTQI \
  | 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: 23edeffba04df7f5335b901e8365b38238fc305f1679c2efafb5c8810e063683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e907c96ff3f1cb0fd4831df9d0ede79c91e5a8b742af028dc93ee4fcbc9dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-24T08:32:54Z",
    "title_canon_sha256": "3d5b4e994b76a441d0ee7546fc65dc749ef1bcd64bdb4acb262e61f5fcfe16f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.18434",
    "kind": "arxiv",
    "version": 1
  }
}