Pith Number

pith:CJ4YU7B2

pith:2024:CJ4YU7B2YTWU2NMVFF3CY3QLR2

not attested not anchored not stored refs pending

PaCoST: Paired Confidence Significance Testing for Benchmark Contamination Detection in Large Language Models

Huixuan Zhang, Xiaojun Wan, Yun Lin

arxiv:2406.18326 v2 · 2024-06-26 · 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{CJ4YU7B2YTWU2NMVFF3CY3QLR2}

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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

MC-PDD: Masked Corpus-Level Pretraining Data Detection for Black-Box Large Language Models

Receipt and verification

First computed	2026-07-05T10:33:35.003952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12798a7c3ac4ed4d359529762c6e0b8e9c8a3b596159cfbb16ce8333d0fec877

Aliases

arxiv: 2406.18326 · arxiv_version: 2406.18326v2 · doi: 10.48550/arxiv.2406.18326 · pith_short_12: CJ4YU7B2YTWU · pith_short_16: CJ4YU7B2YTWU2NMV · pith_short_8: CJ4YU7B2

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/CJ4YU7B2YTWU2NMVFF3CY3QLR2 \
  | 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: 12798a7c3ac4ed4d359529762c6e0b8e9c8a3b596159cfbb16ce8333d0fec877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "023b5bb411e4303aa85fd2eb99334c32b18bed999fa631bf21af9533769abb9d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-06-26T13:12:40Z",
    "title_canon_sha256": "39a7ac23164fa8969707108333e574e9c11b3f83761850a4ab7bbcb50c990376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.18326",
    "kind": "arxiv",
    "version": 2
  }
}