Pith Number

pith:T6J67MLB

pith:2025:T6J67MLBUAIGT5OXWHFAJ2ZL5K

not attested not anchored not stored refs pending

Towards Better Alignment: Training Diffusion Models with Reinforcement Learning Against Sparse Rewards

Fengda Zhang, Jiahui Li, Jun Xiao, Kaifeng Gao, Kun Kuang, Long Chen, Wenwu Zhu, Xin Wang, Zijing Hu

arxiv:2503.11240 v2 · 2025-03-14 · 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{T6J67MLBUAIGT5OXWHFAJ2ZL5K}

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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

2 papers in Pith

Selective Timestep Weighting and Advantage-Based Replay for Sample-Efficient Diffusion RLHF

Offline Preference Optimization for Rectified Flow with Noise-Tracked Pairs

Receipt and verification

First computed	2026-07-05T10:39:47.694592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f93efb161a01069f5d7b1ca04eb2bea9773eaed7f9d2d810cbf380123fd8c5b

Aliases

arxiv: 2503.11240 · arxiv_version: 2503.11240v2 · doi: 10.48550/arxiv.2503.11240 · pith_short_12: T6J67MLBUAIG · pith_short_16: T6J67MLBUAIGT5OX · pith_short_8: T6J67MLB

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/T6J67MLBUAIGT5OXWHFAJ2ZL5K \
  | 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: 9f93efb161a01069f5d7b1ca04eb2bea9773eaed7f9d2d810cbf380123fd8c5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48f98477ec681a71d3eabcfc317bcad13e8d9d31fafc5c39c4e3960f149b0d5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-14T09:45:19Z",
    "title_canon_sha256": "8c94432203150809712d32c72eb3ac1cf37dc01d2b157d24c5b358b988e7f51a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.11240",
    "kind": "arxiv",
    "version": 2
  }
}