Pith Number

pith:KTWN7CGZ

pith:2025:KTWN7CGZLJ53XJX7WLHR4ZWYSW

not attested not anchored not stored refs pending

VistaDPO: Video Hierarchical Spatial-Temporal Direct Preference Optimization for Large Video Models

Hanwang Zhang, Haodong Chen, Hao Fei, Haojian Huang, Jinlan Fu, Meng Luo, Shengqiong Wu, Xinya Du

arxiv:2504.13122 v1 · 2025-04-17 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTWN7CGZLJ53XJX7WLHR4ZWYSW}

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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

4 papers in Pith

MultiToP: Learning to Patch Visual Tokens to Mitigate Hallucinations in Video Large Multimodal Models

Watch, Remember, Reason: Human-View Video Understanding with MLLMs

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

SignDPO: Multi-level Direct Preference Optimisation for Skeleton-based Gloss-free Sign Language Translation

Receipt and verification

First computed	2026-07-05T10:50:37.770270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54ecdf88d95a7bbba6ffb2cf1e66d895a075d9a3219ae9e4ac3b66bb742607d6

Aliases

arxiv: 2504.13122 · arxiv_version: 2504.13122v1 · doi: 10.48550/arxiv.2504.13122 · pith_short_12: KTWN7CGZLJ53 · pith_short_16: KTWN7CGZLJ53XJX7 · pith_short_8: KTWN7CGZ

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/KTWN7CGZLJ53XJX7WLHR4ZWYSW \
  | 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: 54ecdf88d95a7bbba6ffb2cf1e66d895a075d9a3219ae9e4ac3b66bb742607d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d683c1d561444693df2cca09aa911a7be6bea9852d8c54ed00974021f785c6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-17T17:39:41Z",
    "title_canon_sha256": "216671987c58f5142fbfba53e0c7b3c7fe5d31312a59caa38ae9abaef2edfe5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13122",
    "kind": "arxiv",
    "version": 1
  }
}