Pith Number

pith:6RU7QJYR

pith:2023:6RU7QJYRALL6FFRUDF3CRVKF64

not attested not anchored not stored refs pending

Direct Preference-based Policy Optimization without Reward Modeling

Gaon An, Hyun Oh Song, Junhyeok Lee, Kyung-Min Kim, Norio Kosaka, Xingdong Zuo

arxiv:2301.12842 v3 · 2023-01-30 · 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{6RU7QJYRALL6FFRUDF3CRVKF64}

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	2026-07-05T07:05:41.189663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f469f8271102d7e29634197628d545f71555780e4a6b5f3335a9739ea4a17bc7

Aliases

arxiv: 2301.12842 · arxiv_version: 2301.12842v3 · doi: 10.48550/arxiv.2301.12842 · pith_short_12: 6RU7QJYRALL6 · pith_short_16: 6RU7QJYRALL6FFRU · pith_short_8: 6RU7QJYR

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/6RU7QJYRALL6FFRUDF3CRVKF64 \
  | 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: f469f8271102d7e29634197628d545f71555780e4a6b5f3335a9739ea4a17bc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7af9fef7376d23e4c7a33b849789be1f157b3f5c1318385a8684e0eed32bc42c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-30T12:51:13Z",
    "title_canon_sha256": "63ecb11ee569507617cce4a5c9ec7b5a4e4f51736cbbd1fa6b9455fefa5ccfde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.12842",
    "kind": "arxiv",
    "version": 3
  }
}