Pith Number

pith:543QWPOG

pith:2025:543QWPOG7D6S7A7GPDXTKK7BUV

not attested not anchored not stored refs pending

Breaking Distortion-free Watermarks in Large Language Models

Dung Daniel T. Ngo, Guang Cheng, Hengzhi He, Manuela Veloso, Niccol\`o Dalmasso, Saheed Obitayo, Shayleen Reynolds, Vamsi K. Potluru

arxiv:2502.18608 v2 · 2025-02-25 · 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{543QWPOG7D6S7A7GPDXTKK7BUV}

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

Signature filtering: a lightweight enhancement for statistical watermark detection in large language models

Receipt and verification

First computed	2026-07-05T11:20:37.924980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef370b3dc6f8fd2f83e678ef352be1a56bff1f451bc52f702f9e0d6429714746

Aliases

arxiv: 2502.18608 · arxiv_version: 2502.18608v2 · doi: 10.48550/arxiv.2502.18608 · pith_short_12: 543QWPOG7D6S · pith_short_16: 543QWPOG7D6S7A7G · pith_short_8: 543QWPOG

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/543QWPOG7D6S7A7GPDXTKK7BUV \
  | 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: ef370b3dc6f8fd2f83e678ef352be1a56bff1f451bc52f702f9e0d6429714746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6bd062ef84920f800e7e828659bfe62af8819b38788cbce2b7d744258c9881b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-02-25T19:52:55Z",
    "title_canon_sha256": "92e4bbd504147b16abca2f1db722acbf4f7439a68ca752c2115a6c2869f249aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18608",
    "kind": "arxiv",
    "version": 2
  }
}