Pith Number

pith:ENVICIYC

pith:2026:ENVICIYCEUJZOQXWG7VRDRQZGH

not attested not anchored not stored refs pending

Tabular PDF Information Extraction with Local LLMs and Layout-Aware Parsing: A Reliability Evaluation

Azhar Al Afghani, Kurnia Adi Cahyanto, Muhammad Anis Al Hilmi, Musfi Yuliadi, Neelansh Khare, Noel Framil Iglesias

arxiv:2604.00003 v2 · 2026-03-09 · cs.CL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENVICIYCEUJZOQXWG7VRDRQZGH}

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	2026-05-25T02:01:18.565518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

236a81230225139742f637eb11c61931ece80b38d05a9c3cda1ee74747f0e981

Aliases

arxiv: 2604.00003 · arxiv_version: 2604.00003v2 · doi: 10.48550/arxiv.2604.00003 · pith_short_12: ENVICIYCEUJZ · pith_short_16: ENVICIYCEUJZOQXW · pith_short_8: ENVICIYC

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/ENVICIYCEUJZOQXWG7VRDRQZGH \
  | 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: 236a81230225139742f637eb11c61931ece80b38d05a9c3cda1ee74747f0e981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5603532fb814f4ce1bb6da1f5b524fcf318c80a9318a969322ffcef810937cb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-09T02:09:02Z",
    "title_canon_sha256": "3f95d96ea3322717039028554be1c982cc737fedc161c7075bc6c6c7c18ce6a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.00003",
    "kind": "arxiv",
    "version": 2
  }
}