Pith Number

pith:5IUEKPUV

pith:2024:5IUEKPUVKA5QRLMRFMIGZLMBX2

not attested not anchored not stored refs pending

Cross-Attention Watermarking of Large Language Models

Ching-Chung Chang, Folco Bertini Baldassini, Huy H. Nguyen, Isao Echizen

arxiv:2401.06829 v1 · 2024-01-12 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IUEKPUVKA5QRLMRFMIGZLMBX2}

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.

Receipt and verification

First computed	2026-07-05T08:05:55.244863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea28453e95503b08ad912b106cad81be9c707548a0256e22d07aefa3677bc3c5

Aliases

arxiv: 2401.06829 · arxiv_version: 2401.06829v1 · doi: 10.48550/arxiv.2401.06829 · pith_short_12: 5IUEKPUVKA5Q · pith_short_16: 5IUEKPUVKA5QRLMR · pith_short_8: 5IUEKPUV

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/5IUEKPUVKA5QRLMRFMIGZLMBX2 \
  | 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: ea28453e95503b08ad912b106cad81be9c707548a0256e22d07aefa3677bc3c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a55417821e7d681608c9b8997168089bb41fcbb4d07365e2b6ef72127b9dd4f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-01-12T09:39:50Z",
    "title_canon_sha256": "c8d97dedefa4e45da5eb36d1135576244b80193263aec6f5f0778e616d915067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.06829",
    "kind": "arxiv",
    "version": 1
  }
}