Pith Number

pith:ZS2WXIWN

pith:2024:ZS2WXIWNRD2AJONDZQP6SQX5L2

not attested not anchored not stored refs pending

Correcting the Mythos of KL-Regularization: Direct Alignment without Overoptimization via Chi-Squared Preference Optimization

Akshay Krishnamurthy, Audrey Huang, Dylan J. Foster, Jason D. Lee, Tengyang Xie, Wenhao Zhan, Wen Sun

arxiv:2407.13399 v3 · 2024-07-18 · cs.AI · cs.CL · 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{ZS2WXIWNRD2AJONDZQP6SQX5L2}

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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

9 papers in Pith

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OGPO: Sample Efficient Full-Finetuning of Generative Control Policies

Provably avoiding over-optimization in Direct Preference Optimization without knowing the data distribution

Failure Modes of Maximum Entropy RLHF

Provably avoiding over-optimization in Direct Preference Optimization without knowing the data distribution

Receipt and verification

First computed	2026-07-05T10:16:11.691134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccb56ba2cd88f404b9a3cc1fe942fd5ebbd98e597ae6dd8d4409bf32e8b681fa

Aliases

arxiv: 2407.13399 · arxiv_version: 2407.13399v3 · doi: 10.48550/arxiv.2407.13399 · pith_short_12: ZS2WXIWNRD2A · pith_short_16: ZS2WXIWNRD2AJOND · pith_short_8: ZS2WXIWN

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/ZS2WXIWNRD2AJONDZQP6SQX5L2 \
  | 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: ccb56ba2cd88f404b9a3cc1fe942fd5ebbd98e597ae6dd8d4409bf32e8b681fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b73f74b81558abf3584ecaa403996a6bd99fb5970dab209d11cfe58b616e1fff",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2024-07-18T11:08:40Z",
    "title_canon_sha256": "b68e00937b888249c3e44bc73e138190384bae96fa2fb2416a3b532bbf111ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.13399",
    "kind": "arxiv",
    "version": 3
  }
}