Pith Number

pith:RQ4AQ6KG

pith:2024:RQ4AQ6KGRT4TBOY3HURYNLFMP6

not attested not anchored not stored refs pending

$f$-PO: Generalizing Preference Optimization with $f$-divergence Minimization

Jiaqi Han, Mingjian Jiang, Minkai Xu, Stefano Ermon, Yuxuan Song

arxiv:2410.21662 v2 · 2024-10-29 · 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{RQ4AQ6KGRT4TBOY3HURYNLFMP6}

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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

The Differences Between Direct Alignment Algorithms are a Blur

$f$-Divergence Regularized RLHF: Two Tales of Sampling and Unified Analyses

Receipt and verification

First computed	2026-07-05T10:14:47.359192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c380879468cf930bb1b3d2386acac7faf37e97ba9b8a8bc55123e59243448eb

Aliases

arxiv: 2410.21662 · arxiv_version: 2410.21662v2 · doi: 10.48550/arxiv.2410.21662 · pith_short_12: RQ4AQ6KGRT4T · pith_short_16: RQ4AQ6KGRT4TBOY3 · pith_short_8: RQ4AQ6KG

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/RQ4AQ6KGRT4TBOY3HURYNLFMP6 \
  | 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: 8c380879468cf930bb1b3d2386acac7faf37e97ba9b8a8bc55123e59243448eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f0855a0f907c265fb2c596a60915e060084211015d1487f643d7b643b28e714",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-10-29T02:11:45Z",
    "title_canon_sha256": "f03d4edda1cbddb55b3e41b15544148895cedc74278896c63a24b02b8461dd0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.21662",
    "kind": "arxiv",
    "version": 2
  }
}