Pith Number

pith:NOZQMIAB

pith:2024:NOZQMIAB3WC7LNTCNENNKSHFJD

not attested not anchored not stored refs pending

ProFLingo: A Fingerprinting-based Intellectual Property Protection Scheme for Large Language Models

Chaoyu Zhang, Heng Jin, Shanghao Shi, Wenjing Lou, Y. Thomas Hou

arxiv:2405.02466 v3 · 2024-05-03 · 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{NOZQMIAB3WC7LNTCNENNKSHFJD}

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

2 papers in Pith

Peering Behind the Shield: Guardrail Identification in Large Language Models

Intrinsic Fingerprint of LLMs: Continue Training is NOT All You Need to Steal A Model!

Receipt and verification

First computed	2026-07-05T09:05:35.607846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb3062001dd85f5b662691ad548e548e75eea268be645a03585e21b5c17d433

Aliases

arxiv: 2405.02466 · arxiv_version: 2405.02466v3 · doi: 10.48550/arxiv.2405.02466 · pith_short_12: NOZQMIAB3WC7 · pith_short_16: NOZQMIAB3WC7LNTC · pith_short_8: NOZQMIAB

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/NOZQMIAB3WC7LNTCNENNKSHFJD \
  | 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: 6bb3062001dd85f5b662691ad548e548e75eea268be645a03585e21b5c17d433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a968629cddb9e88657d2c5cf3a5d7c0bfcbd7b19327cb86b3f9795a0b8352e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2024-05-03T20:00:40Z",
    "title_canon_sha256": "bc0aa83e3a4dd974284e591b231b1df22c00bcf0baf767f400d7024096997e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02466",
    "kind": "arxiv",
    "version": 3
  }
}