Pith Number

pith:IDG7ZQ7E

pith:2024:IDG7ZQ7EWPY3FI7VLRXM6WSDGK

not attested not anchored not stored refs pending

LCV2: An Efficient Pretraining-Free Framework for Grounded Visual Question Answering

Lihua Chen, Lumei Su, Yuhan Chen, Zhiwei Lin

arxiv:2401.15842 v2 · 2024-01-29 · cs.CV · 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{IDG7ZQ7EWPY3FI7VLRXM6WSDGK}

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	2026-07-05T08:00:00.688156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40cdfcc3e4b3f1b2a3f55c6ecf5a433288c43e2d2a25ad438ef032465626f525

Aliases

arxiv: 2401.15842 · arxiv_version: 2401.15842v2 · doi: 10.48550/arxiv.2401.15842 · pith_short_12: IDG7ZQ7EWPY3 · pith_short_16: IDG7ZQ7EWPY3FI7V · pith_short_8: IDG7ZQ7E

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/IDG7ZQ7EWPY3FI7VLRXM6WSDGK \
  | 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: 40cdfcc3e4b3f1b2a3f55c6ecf5a433288c43e2d2a25ad438ef032465626f525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a47c72df253a2ab2d386bb833e682bb569f7ad3a626d5d52870fc12d688d49",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-01-29T02:32:25Z",
    "title_canon_sha256": "d321de8600c1f0f6d68c32233035a9628e4eaef91c28cfc9f9c40d246c016b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.15842",
    "kind": "arxiv",
    "version": 2
  }
}