Pith Number

pith:7GCOPCZ7

pith:2025:7GCOPCZ7Q5PB74XQFFBDFAGIUB

not attested not anchored not stored refs pending

DocThinker: Explainable Multimodal Large Language Models with Rule-based Reinforcement Learning for Document Understanding

Wenwen Yu, Xiang Bai, Yuliang Liu, Zhibo Yang

arxiv:2508.08589 v1 · 2025-08-12 · 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{7GCOPCZ7Q5PB74XQFFBDFAGIUB}

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	2026-07-05T11:52:30.920854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f984e78b3f875e1ff2f029423280c8a05746d3524a09ac99c083174604eba65f

Aliases

arxiv: 2508.08589 · arxiv_version: 2508.08589v1 · doi: 10.48550/arxiv.2508.08589 · pith_short_12: 7GCOPCZ7Q5PB · pith_short_16: 7GCOPCZ7Q5PB74XQ · pith_short_8: 7GCOPCZ7

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/7GCOPCZ7Q5PB74XQFFBDFAGIUB \
  | 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: f984e78b3f875e1ff2f029423280c8a05746d3524a09ac99c083174604eba65f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd260881596599a53c9b9b9d1bf0a48a0869ce035a426f454f5afd6b3d5c4be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-12T03:06:55Z",
    "title_canon_sha256": "ff5c805f3c44620371008bcea4b040df7fe5d4a6fa81e2619bbd3e90e775dc27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08589",
    "kind": "arxiv",
    "version": 1
  }
}