Pith Number

pith:4OSMGZ2L

pith:2025:4OSMGZ2LJPT2DXT3HPI3YJOV7F

not attested not anchored not stored refs pending

SRAF: Stealthy and Robust Adversarial Fingerprint for Copyright Verification of Large Language Models

Chen Zhi, Chunqiang Hu, Maike Li, Meng Han, Wenpeng Xing, Zhebo Wang, Zhenhua Xu

arxiv:2505.06304 v4 · 2025-05-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OSMGZ2LJPT2DXT3HPI3YJOV7F}

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

Receipt and verification

First computed	2026-05-28T01:04:27.848801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a4c3674b4be7a1de7b3bd1bc25d5f96f592d9c84bff04ffc557a225d3adf1a

Aliases

arxiv: 2505.06304 · arxiv_version: 2505.06304v4 · doi: 10.48550/arxiv.2505.06304 · pith_short_12: 4OSMGZ2LJPT2 · pith_short_16: 4OSMGZ2LJPT2DXT3 · pith_short_8: 4OSMGZ2L

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/4OSMGZ2LJPT2DXT3HPI3YJOV7F \
  | 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: e3a4c3674b4be7a1de7b3bd1bc25d5f96f592d9c84bff04ffc557a225d3adf1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac521f404a197183c16d9640c1af48a9ff2a9f127f361fb3ba3d6d963bdcfd06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-08T03:21:58Z",
    "title_canon_sha256": "a5f55f06466794e0ce96636e9d512aacc3ba56993e4f1f3a4577dbd7f0a14d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06304",
    "kind": "arxiv",
    "version": 4
  }
}