Pith Number

pith:UDANP6S5

pith:2024:UDANP6S5QPULMGKVLHNRBCJAFA

not attested not anchored not stored refs pending

MEA-Defender: A Robust Watermark against Model Extraction Attack

Hualong Ma, Jiachen Zhou, Kai Chen, Pan Li, Peizhuo Lv, Ruigang Liang, Shenchen Zhu, Shengzhi Zhang, Yingjun Zhang

arxiv:2401.15239 v1 · 2024-01-26 · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDANP6S5QPULMGKVLHNRBCJAFA}

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

LoRAGuard: An Effective Black-box Watermarking Approach for LoRAs

Receipt and verification

First computed	2026-07-05T07:38:13.510935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c0d7fa5d83e8b6195559db108920281bcda4480f893c2d99da8f0d76052266

Aliases

arxiv: 2401.15239 · arxiv_version: 2401.15239v1 · doi: 10.48550/arxiv.2401.15239 · pith_short_12: UDANP6S5QPUL · pith_short_16: UDANP6S5QPULMGKV · pith_short_8: UDANP6S5

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/UDANP6S5QPULMGKVLHNRBCJAFA \
  | 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: a0c0d7fa5d83e8b6195559db108920281bcda4480f893c2d99da8f0d76052266

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86353c97c7cc1462abfea47fdb89f905eb22391820d4765efd8f6250af2dd50f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2024-01-26T23:12:53Z",
    "title_canon_sha256": "fe109b50e1307aba7ce8d8499cd986bea0b92b662c9eac2ca5b26b8d973c52a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.15239",
    "kind": "arxiv",
    "version": 1
  }
}