Pith Number

pith:F5DB5DEJ

pith:2025:F5DB5DEJMZAPXAHPUW2VOHRUMH

not attested not anchored not stored refs pending

Mitigating Reward Over-optimization in Direct Alignment Algorithms with Importance Sampling

Anji Liu, An Mai, Binh T. Nguyen, Daniel Sonntag, Duy H. M. Nguyen, Khoa D. Doan, Ngoc-Hieu Nguyen, Phuc Minh Nguyen

arxiv:2506.08681 v2 · 2025-06-10 · 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{F5DB5DEJMZAPXAHPUW2VOHRUMH}

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.

Cited by

1 paper in Pith

TPMM-DPO: Trajectory-aware Preference-guided Model Merging for Iterative Direct Preference Optimization

Receipt and verification

First computed	2026-07-05T11:19:30.038541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f461e8c896640fb80efa5b5571e3461e327f5e1a73a4570d1f95eaab42bc0a9

Aliases

arxiv: 2506.08681 · arxiv_version: 2506.08681v2 · doi: 10.48550/arxiv.2506.08681 · pith_short_12: F5DB5DEJMZAP · pith_short_16: F5DB5DEJMZAPXAHP · pith_short_8: F5DB5DEJ

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/F5DB5DEJMZAPXAHPUW2VOHRUMH \
  | 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: 2f461e8c896640fb80efa5b5571e3461e327f5e1a73a4570d1f95eaab42bc0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f276d3ae07fdbe77bacd745c01542bb645e6de711fecd264c9e43350c945b897",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-10T10:45:26Z",
    "title_canon_sha256": "be73c854a369f74bc838f6c32458345307e08de22a5f5e596ebe4ada6382d82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08681",
    "kind": "arxiv",
    "version": 2
  }
}