Pith Number

pith:5M2BSPTD

pith:2025:5M2BSPTDL6TGUIMFS5XEI2GOUC

not attested not anchored not stored refs pending

SIPO: Stabilized and Improved Preference Optimization for Aligning Diffusion Models

Hao Li, Junyan Wang, Mengping Yang, Xiaomeng Yang, Zhijian Zhou, Zhiyu Tan

arxiv:2505.21893 v3 · 2025-05-28 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5M2BSPTDL6TGUIMFS5XEI2GOUC}

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	2026-05-20T00:05:29.310650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb34193e635fa66a2185976e4468cea09392f0056f53c537a59cd2b71608497d

Aliases

arxiv: 2505.21893 · arxiv_version: 2505.21893v3 · doi: 10.48550/arxiv.2505.21893 · pith_short_12: 5M2BSPTDL6TG · pith_short_16: 5M2BSPTDL6TGUIMF · pith_short_8: 5M2BSPTD

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/5M2BSPTDL6TGUIMFS5XEI2GOUC \
  | 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: eb34193e635fa66a2185976e4468cea09392f0056f53c537a59cd2b71608497d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd0fc2afe74aa97ab83be67e8e57cc41d91bf83935d6afa9a39f8a1310f1be58",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-28T02:11:56Z",
    "title_canon_sha256": "d82357d2f9c57c163f9e9fe87b16d7b730748ed4c1e73e210cac613170b2574e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21893",
    "kind": "arxiv",
    "version": 3
  }
}