Pith Number

pith:4GXGQHFZ

pith:2025:4GXGQHFZUHZMO5AF4SS3NHHKBC

not attested not anchored not stored refs pending

Mitigating Hallucinations in Multimodal LLMs via Object-aware Preference Optimization

Alberto Compagnoni, Davide Caffagni, Lorenzo Baraldi, Marcella Cornia, Nicholas Moratelli, Rita Cucchiara

arxiv:2508.20181 v1 · 2025-08-27 · cs.CV · cs.AI · cs.CL · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GXGQHFZUHZMO5AF4SS3NHHKBC}

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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

1 paper in Pith

Rethinking Visual Neglect: Steering via Context-Preference for MLLM Hallucination Mitigation

Receipt and verification

First computed	2026-07-05T12:00:30.892687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1ae681cb9a1f2c77405e4a5b69cea08a1546f7d2b5e190d313be4ebadbae1f0

Aliases

arxiv: 2508.20181 · arxiv_version: 2508.20181v1 · doi: 10.48550/arxiv.2508.20181 · pith_short_12: 4GXGQHFZUHZM · pith_short_16: 4GXGQHFZUHZMO5AF · pith_short_8: 4GXGQHFZ

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/4GXGQHFZUHZMO5AF4SS3NHHKBC \
  | 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: e1ae681cb9a1f2c77405e4a5b69cea08a1546f7d2b5e190d313be4ebadbae1f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127b2ea7543b9b2a5e77bca1e089f5bd8ee5986b3f94147c6741a721e0d6d02d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-27T18:02:04Z",
    "title_canon_sha256": "8161a305888a56126c9420d24e95601c22d31f3a7fa123b1fe0eee397ec9b5f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20181",
    "kind": "arxiv",
    "version": 1
  }
}