Pith Number

pith:ZQ64VWY3

pith:2025:ZQ64VWY36MA5P3YL7QFCLJ5RWL

not attested not anchored not stored refs pending

EverTracer: Hunting Stolen Large Language Models via Stealthy and Robust Probabilistic Fingerprint

Meng Han, Wenpeng Xing, Zhenhua Xu

arxiv:2509.03058 v1 · 2025-09-03 · 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{ZQ64VWY36MA5P3YL7QFCLJ5RWL}

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

CTCC: A Robust and Stealthy Fingerprinting Framework for Large Language Models via Cross-Turn Contextual Correlation Backdoor

Receipt and verification

First computed	2026-07-05T12:04:02.995626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3dcadb1bf301d7ef0bfc0a25a7b1b2fd280775cfc6975fbc089e4739f8b9c0

Aliases

arxiv: 2509.03058 · arxiv_version: 2509.03058v1 · doi: 10.48550/arxiv.2509.03058 · pith_short_12: ZQ64VWY36MA5 · pith_short_16: ZQ64VWY36MA5P3YL · pith_short_8: ZQ64VWY3

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/ZQ64VWY36MA5P3YL7QFCLJ5RWL \
  | 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: cc3dcadb1bf301d7ef0bfc0a25a7b1b2fd280775cfc6975fbc089e4739f8b9c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188282e44d73a329186c00a0307a73e31b435c4a6a86dd3809ec577be89024d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-03T06:40:57Z",
    "title_canon_sha256": "ab4d57f7e4d4b9f04caa462662dfe1dd64014196c4205ed5e51c7706425722b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03058",
    "kind": "arxiv",
    "version": 1
  }
}