Pith Number

pith:3WXKKLSP

pith:2025:3WXKKLSPDCGZXMWLBGA2SJUJIL

not attested not anchored not stored refs pending

Be Cautious When Merging Unfamiliar LLMs: A Phishing Model Capable of Stealing Privacy

Chengkun Wei, Chen Gong, Wenlong Meng, Wenzhi Chen, Yi Shi, Zhenyuan Guo

arxiv:2502.11533 v1 · 2025-02-17 · 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{3WXKKLSPDCGZXMWLBGA2SJUJIL}

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

Model Unmerging: Making Your Models Unmergeable for Secure Model Sharing

Receipt and verification

First computed	2026-07-05T10:15:30.407347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddaea52e4f188d9bb2cb0981a9268942f5523dd50d9aed60621d5f5abc305f5d

Aliases

arxiv: 2502.11533 · arxiv_version: 2502.11533v1 · doi: 10.48550/arxiv.2502.11533 · pith_short_12: 3WXKKLSPDCGZ · pith_short_16: 3WXKKLSPDCGZXMWL · pith_short_8: 3WXKKLSP

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/3WXKKLSPDCGZXMWLBGA2SJUJIL \
  | 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: ddaea52e4f188d9bb2cb0981a9268942f5523dd50d9aed60621d5f5abc305f5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a2d501bcf919782c598cf93101bbe0262b3e62c70ccf7cffa6e4eaa6dbc097",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-17T08:04:52Z",
    "title_canon_sha256": "b301a01759242b3f0b6f1d75f3bb3ba02e558227a104c4cbb6221deceb7b19a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11533",
    "kind": "arxiv",
    "version": 1
  }
}