Pith Number

pith:QOR2JUME

pith:2025:QOR2JUMELOUQNPDEOHKSY7ZOFA

not attested not anchored not stored refs pending

Discriminator-Free Direct Preference Optimization for Video Diffusion

Boxi Wu, Haoran Cheng, Jinghui Xie, Liang Peng, Qide Dong, Shilei Wen, Weiguo Feng, Xiaofei He, Zhao Song, Zhizhou Sha

arxiv:2504.08542 v1 · 2025-04-11 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOR2JUMELOUQNPDEOHKSY7ZOFA}

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	2026-07-05T10:47:50.580135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a3a4d1845ba906bc6471d52c7f2e28385e9bed20137954032e27bca6983d35

Aliases

arxiv: 2504.08542 · arxiv_version: 2504.08542v1 · doi: 10.48550/arxiv.2504.08542 · pith_short_12: QOR2JUMELOUQ · pith_short_16: QOR2JUMELOUQNPDE · pith_short_8: QOR2JUME

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/QOR2JUMELOUQNPDEOHKSY7ZOFA \
  | 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: 83a3a4d1845ba906bc6471d52c7f2e28385e9bed20137954032e27bca6983d35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8515d307178915b8862519cce96fbaef524dcd1f2a9e313713870394d1ae4f5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-11T13:55:48Z",
    "title_canon_sha256": "841cf1d94fd8ea1c78eff8a65f5477b22609a7cee9b6758e221b6a3c7f05f9e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08542",
    "kind": "arxiv",
    "version": 1
  }
}