Pith Number

pith:HRMKPDEB

pith:2026:HRMKPDEBIAGZADOFPUHBKIRL4X

not attested not anchored not stored refs pending

Entropy-KL Divergence-based Token Masking: A Novel Approach for Selective Fine-tuning of Large Language Models

Enhong Chen, Mingdi Sun, Qi Liu, Tong Xu, Yi Zheng, Yongyi He, Zhefeng Wang, Zhi Zheng

arxiv:2605.29303 v1 · 2026-05-28 · 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{HRMKPDEBIAGZADOFPUHBKIRL4X}

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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.

Receipt and verification

First computed	2026-05-29T01:05:30.976162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c58a78c81400d900dc57d0e15222be5c881f1a626423dfdd588b8f421ed6403

Aliases

arxiv: 2605.29303 · arxiv_version: 2605.29303v1 · doi: 10.48550/arxiv.2605.29303 · pith_short_12: HRMKPDEBIAGZ · pith_short_16: HRMKPDEBIAGZADOF · pith_short_8: HRMKPDEB

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/HRMKPDEBIAGZADOFPUHBKIRL4X \
  | 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: 3c58a78c81400d900dc57d0e15222be5c881f1a626423dfdd588b8f421ed6403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382c1b86837aabb6487998c9c44c0a1cb1e53baf4df86dbe41d759ac1ac1ee5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-28T03:36:05Z",
    "title_canon_sha256": "00681de600578348ee5cb316c39034ce06676b6f22cb2393b75c6349445b9b8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29303",
    "kind": "arxiv",
    "version": 1
  }
}