Pith Number

pith:KIC65EOK

pith:2026:KIC65EOK52XU3QPPJI6AUXDO46

not attested not anchored not stored refs pending

Detecting Clinical Hallucinations in LVLMs via Counterfactual Visual Grounding Uncertainty

Caifeng Shan, Haonan Qin, Jiong Zhang, Xiao Song, Yuqi Fang, Zhaoxu Zhang

arxiv:2606.28520 v1 · 2026-06-26 · cs.CV · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIC65EOK52XU3QPPJI6AUXDO46}

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	2026-06-30T00:15:16.745721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5205ee91caeeaf4dc1ef4a3c0a5c6ee79e7f9d27be874126ba297915415ede06

Aliases

arxiv: 2606.28520 · arxiv_version: 2606.28520v1 · doi: 10.48550/arxiv.2606.28520 · pith_short_12: KIC65EOK52XU · pith_short_16: KIC65EOK52XU3QPP · pith_short_8: KIC65EOK

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/KIC65EOK52XU3QPPJI6AUXDO46 \
  | 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: 5205ee91caeeaf4dc1ef4a3c0a5c6ee79e7f9d27be874126ba297915415ede06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049ebdd8e808ee3f4977bb5484dded4a3d1952c22983134bb0c1b3715d55c73f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-26T18:15:38Z",
    "title_canon_sha256": "c854a29b264214b6ff79c4e089ff38082600625aabceaa5d0a4a37a4be544b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28520",
    "kind": "arxiv",
    "version": 1
  }
}