Pith Number

pith:XASQMTBU

pith:2024:XASQMTBUV3KDGX74277OE23FN6

not attested not anchored not stored refs pending

A Certified Robust Watermark For Large Language Models

Chun Chen, Jian Liu, Kui Ren, Xianheng Feng

arxiv:2409.19708 v1 · 2024-09-29 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XASQMTBUV3KDGX74277OE23FN6}

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	2026-07-05T09:13:21.253522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b825064c34aed4335ffcd7fee26b656fa1ddd9de90ee562fee27af9407a459f9

Aliases

arxiv: 2409.19708 · arxiv_version: 2409.19708v1 · doi: 10.48550/arxiv.2409.19708 · pith_short_12: XASQMTBUV3KD · pith_short_16: XASQMTBUV3KDGX74 · pith_short_8: XASQMTBU

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/XASQMTBUV3KDGX74277OE23FN6 \
  | 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: b825064c34aed4335ffcd7fee26b656fa1ddd9de90ee562fee27af9407a459f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aff97636f49238eae7b40fab8e8352010924033c6aff05ab9914557ff1c67f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2024-09-29T13:51:15Z",
    "title_canon_sha256": "b09a090a0dc8aefb47eb659f6fba835b5766e2f2cd8c1a0ffd94dcac37386c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.19708",
    "kind": "arxiv",
    "version": 1
  }
}