Pith Number

pith:XMD5YC5P

pith:2026:XMD5YC5PVLLJ2SQNWOVCZ4TJFU

not attested not anchored not stored refs pending

Rethinking the Design Space of Reinforcement Learning for Diffusion Models: On the Importance of Likelihood Estimation Beyond Loss Design

Bo Yuan, Jaemoo Choi, Jinbin Bai, Molei Tao, Petr Molodyk, Wei Guo, Yi Xin, Yongxin Chen, Yuchen Zhu

arxiv:2602.04663 v2 · 2026-02-04 · cs.LG · cs.AI

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMD5YC5PVLLJ2SQNWOVCZ4TJFU}

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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

Reinforce Adjoint Matching: Scaling RL Post-Training of Diffusion and Flow-Matching Models

FP4 Explore, BF16 Train: Diffusion Reinforcement Learning via Efficient Rollout Scaling

Consistency Regularised Gradient Flows for Inverse Problems

Reward Score Matching: Unifying Reward-based Fine-tuning for Flow and Diffusion Models

Receipt and verification

First computed	2026-05-20T01:05:08.134258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb07dc0bafaad69d4a0db3aa2cf2692d1c92cc5f32433d278f7b75d9dd4549ef

Aliases

arxiv: 2602.04663 · arxiv_version: 2602.04663v2 · doi: 10.48550/arxiv.2602.04663 · pith_short_12: XMD5YC5PVLLJ · pith_short_16: XMD5YC5PVLLJ2SQN · pith_short_8: XMD5YC5P

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/XMD5YC5PVLLJ2SQNWOVCZ4TJFU \
  | 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: bb07dc0bafaad69d4a0db3aa2cf2692d1c92cc5f32433d278f7b75d9dd4549ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ba8f3cfc2c8f70596a1c781f0239d67472462b78cfbc0027c0bf8ca733e2104",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-04T15:36:42Z",
    "title_canon_sha256": "cb2c90a5aeb9c3df9aa52ad73b058f979ef8fb140fbd0f9281cc6c91ebe82503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04663",
    "kind": "arxiv",
    "version": 2
  }
}