Pith Number

pith:FEH27RWD

pith:2025:FEH27RWDIBLPYDK23GNCLUEX75

not attested not anchored not stored refs pending

DERMARK: A Dynamic, Efficient and Robust Multi-bit Watermark for Large Language Models

Chen Tang, Junyang Zhang, Lan Zhang, Qihao Lin, Xiangyang Li

arxiv:2502.05213 v2 · 2025-02-04 · cs.CR · 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{FEH27RWDIBLPYDK23GNCLUEX75}

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	2026-07-05T11:47:18.955433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290fafc6c34056fc0d5ad99a25d097ff537b53477514f6c38b699a73d5981806

Aliases

arxiv: 2502.05213 · arxiv_version: 2502.05213v2 · doi: 10.48550/arxiv.2502.05213 · pith_short_12: FEH27RWDIBLP · pith_short_16: FEH27RWDIBLPYDK2 · pith_short_8: FEH27RWD

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/FEH27RWDIBLPYDK23GNCLUEX75 \
  | 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: 290fafc6c34056fc0d5ad99a25d097ff537b53477514f6c38b699a73d5981806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7aceffc668dce3c733a507d8341dd50457ebc4d94f566fd2f973a2fe4305131",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-02-04T11:23:49Z",
    "title_canon_sha256": "54d96cabf145ea28aef8f629ff4e552b78bca309a1402a5223dbecdc9bdeabb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05213",
    "kind": "arxiv",
    "version": 2
  }
}