Pith Number

pith:3U7HLCYM

pith:2025:3U7HLCYMI24TXPAMPJ26ODVMVS

not attested not anchored not stored refs pending

CHiP: Cross-modal Hierarchical Direct Preference Optimization for Multimodal LLMs

Bryan Hooi, Hao Fei, Jinlan Fu, See-kiong Ng, Shenzhen Huangfu, Xiaoyu Shen, Xipeng Qiu

arxiv:2501.16629 v1 · 2025-01-28 · cs.CL · cs.CV

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\usepackage{pith}
\pithnumber{3U7HLCYMI24TXPAMPJ26ODVMVS}

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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

5 papers in Pith

Analyzing and Improving Fine-grained Preference Optimization in Medical LVLMs

No Place to Hide: Benchmarking Video Hallucination with Background-Controlled Pairs

Vocabulary Hijacking in LVLMs: Unveiling Critical Attention Heads by Excluding Inert Tokens to Mitigate Hallucination

Mitigating Multimodal Hallucination via Phase-wise Self-reward

Mitigating Hallucinations in Large Vision-Language Models without Performance Degradation

Receipt and verification

First computed	2026-07-05T10:06:16.104624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3e758b0c46b93bbc0c7a75e70eacaca1de704e84a27c3bf942bc3b99f1d821

Aliases

arxiv: 2501.16629 · arxiv_version: 2501.16629v1 · doi: 10.48550/arxiv.2501.16629 · pith_short_12: 3U7HLCYMI24T · pith_short_16: 3U7HLCYMI24TXPAM · pith_short_8: 3U7HLCYM

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/3U7HLCYMI24TXPAMPJ26ODVMVS \
  | 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: dd3e758b0c46b93bbc0c7a75e70eacaca1de704e84a27c3bf942bc3b99f1d821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab00d08acb74defbf11f823887c1b105570b3628d9411314b7ffb24e69f967e",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-28T02:05:38Z",
    "title_canon_sha256": "b25500d928c7181a629122914ccca492f7e0160c60e7bc40bb5bc8984f47dbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16629",
    "kind": "arxiv",
    "version": 1
  }
}