Pith Number

pith:D25LTXGZ

pith:2026:D25LTXGZUNBRFM56IOGQ3LKS44

not attested not anchored not stored refs pending

LFRAG: Layout-oriented Fine-grained Retrieval-Augmented Generation on Multimodal Document Understanding

Yanchu Guan, Yifan Zhu, Yue Lu, Yu Mi, Zhixuan Chu

arxiv:2605.22829 v1 · 2026-04-18 · cs.IR · 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{D25LTXGZUNBRFM56IOGQ3LKS44}

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	2026-05-25T00:00:58.107120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ebab9dcd9a34312b3be438d0dad52e72c041b60bc2dbae6ef810325a83b5651

Aliases

arxiv: 2605.22829 · arxiv_version: 2605.22829v1 · doi: 10.48550/arxiv.2605.22829 · pith_short_12: D25LTXGZUNBR · pith_short_16: D25LTXGZUNBRFM56 · pith_short_8: D25LTXGZ

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/D25LTXGZUNBRFM56IOGQ3LKS44 \
  | 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: 1ebab9dcd9a34312b3be438d0dad52e72c041b60bc2dbae6ef810325a83b5651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43fe07d93ac3300e3050ac54c596ce11cac865fac7dbe3f36aedd8e1179d559a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-04-18T05:04:49Z",
    "title_canon_sha256": "650188c2e3565218f8b72d977b4e6dad79ab4e32a1c7dbb357bc93e6ad6d7ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22829",
    "kind": "arxiv",
    "version": 1
  }
}