Pith Number

pith:JYQ2R2CG

pith:2025:JYQ2R2CGOWXDXZCF2R7YPIMSL5

not attested not anchored not stored refs pending

Differentiation-Based Extraction of Proprietary Data from Fine-Tuned LLMs

Daoyuan Wu, Shuai Wang, Zhendong Su, Zongjie Li

arxiv:2506.17353 v1 · 2025-06-20 · cs.CR · 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{JYQ2R2CGOWXDXZCF2R7YPIMSL5}

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	2026-07-05T11:25:16.445571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e21a8e84675ae3be445d47f87a1925f50fc0fc1f317f36b33e93efd9d506a79

Aliases

arxiv: 2506.17353 · arxiv_version: 2506.17353v1 · doi: 10.48550/arxiv.2506.17353 · pith_short_12: JYQ2R2CGOWXD · pith_short_16: JYQ2R2CGOWXDXZCF · pith_short_8: JYQ2R2CG

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/JYQ2R2CGOWXDXZCF2R7YPIMSL5 \
  | 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: 4e21a8e84675ae3be445d47f87a1925f50fc0fc1f317f36b33e93efd9d506a79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ead9ca0ba6a7102722a62595479026d84f0a5f61c07bff7f1344938786da282",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-20T02:43:36Z",
    "title_canon_sha256": "d9d3fae6a668bfd84d7ccdaf346ca1f80230494b7ce664dad1a3e0264f9802d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17353",
    "kind": "arxiv",
    "version": 1
  }
}