Pith Number

pith:4BUFCCER

pith:2025:4BUFCCERYNACA52IZVT4GZ6QL3

not attested not anchored not stored refs pending

RefChartQA: Grounding Visual Answer on Chart Images through Instruction Tuning

Alexander Vogel, Jiaming Zhang, Omar Moured, Rainer Stiefelhagen, Yufan Chen

arxiv:2503.23131 v2 · 2025-03-29 · 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{4BUFCCERYNACA52IZVT4GZ6QL3}

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.

Cited by

2 papers in Pith

ChartREG++: Towards Benchmarking and Improving Chart Referring Expression Grounding under Diverse referring clues and Multi-Target Referring

Receipt and verification

First computed	2026-07-05T11:23:26.250913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e068510891c340207748cd67c367d05eefdccd2d054c7342a5b781ae2c3e5f9b

Aliases

arxiv: 2503.23131 · arxiv_version: 2503.23131v2 · doi: 10.48550/arxiv.2503.23131 · pith_short_12: 4BUFCCERYNAC · pith_short_16: 4BUFCCERYNACA52I · pith_short_8: 4BUFCCER

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/4BUFCCERYNACA52IZVT4GZ6QL3 \
  | 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: e068510891c340207748cd67c367d05eefdccd2d054c7342a5b781ae2c3e5f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc8b4d7b78690eb3b493eb0d40663a23306dfa95038e7fe9e8cec8bb68e2f1dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-29T15:50:08Z",
    "title_canon_sha256": "b1a77b679eee4792729b56b58b1db87f759f9969ff411af45c44cf8dcf4964b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23131",
    "kind": "arxiv",
    "version": 2
  }
}