Pith Number

pith:RM243MWA

pith:2026:RM243MWA2P37KFAE4KQHT3RDSY

not attested not anchored not stored refs pending

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

Chih-Duo Hong, Fang Yu, Yen-Pang Chen

arxiv:2606.18430 v1 · 2026-06-16 · cs.LG · 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{RM243MWA2P37KFAE4KQHT3RDSY}

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	2026-06-19T16:11:01.045275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b35cdb2c0d3f7f51404e2a079ee23962113d43f6aa9832033d5f9018655a915

Aliases

arxiv: 2606.18430 · arxiv_version: 2606.18430v1 · doi: 10.48550/arxiv.2606.18430 · pith_short_12: RM243MWA2P37 · pith_short_16: RM243MWA2P37KFAE · pith_short_8: RM243MWA

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/RM243MWA2P37KFAE4KQHT3RDSY \
  | 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: 8b35cdb2c0d3f7f51404e2a079ee23962113d43f6aa9832033d5f9018655a915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de75e1830d01413f1294820fb3b3fa560324f3a9ff94e603859b5b9f7f676cfe",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-16T19:24:32Z",
    "title_canon_sha256": "9e930ceb11e749d30ce3ad1d41a53821d93e017da0d0e78ca88f03a850cefde3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18430",
    "kind": "arxiv",
    "version": 1
  }
}