Pith Number

pith:IYA2JWVZ

pith:2025:IYA2JWVZJPEP5H3OMAZN652R42

not attested not anchored not stored refs pending

DPO Kernels: A Semantically-Aware, Kernel-Enhanced, and Divergence-Rich Paradigm for Direct Preference Optimization

Aishwarya Naresh Reganti, Aman Chadha, Amitava Das, Basab Ghosh, Danush Khanna, Gurpreet Singh, Rajarshi Roy, Suranjana Trivedy, Vasu Sharma, Vinija Jain, Yaswanth Narsupalli

arxiv:2501.03271 v3 · 2025-01-05 · cs.LG · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYA2JWVZJPEP5H3OMAZN652R42}

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	2026-07-05T10:02:57.462949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4601a4dab94bc8fe9f6e6032df7751e6a173f14261c529bf3ff96220052488aa

Aliases

arxiv: 2501.03271 · arxiv_version: 2501.03271v3 · doi: 10.48550/arxiv.2501.03271 · pith_short_12: IYA2JWVZJPEP · pith_short_16: IYA2JWVZJPEP5H3O · pith_short_8: IYA2JWVZ

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/IYA2JWVZJPEP5H3OMAZN652R42 \
  | 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: 4601a4dab94bc8fe9f6e6032df7751e6a173f14261c529bf3ff96220052488aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69c354269196b51b7c5a4ab3696441f8fa8ac16bfab3acba088133893412e725",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-05T00:08:52Z",
    "title_canon_sha256": "3f0144050f3738e416b76cef0e051be57008d99f9285cdc467180e1b2f7d5c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03271",
    "kind": "arxiv",
    "version": 3
  }
}