Pith Number

pith:BGRULHLZ

pith:2026:BGRULHLZNUUTXKJZINGIKWOBDJ

not attested not anchored not stored refs pending

LLM Benchmark Datasets Should Be Contamination-Resistant

Ali Al-Lawati, Dongwon Lee, Jason Lucas, Suhang Wang

arxiv:2605.19999 v1 · 2026-05-19 · cs.LG · cs.AI · 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{BGRULHLZNUUTXKJZINGIKWOBDJ}

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	2026-05-20T02:05:58.550948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a3459d796d293ba939434c8559c11a46b2ef430c2cee29ee7b4ec5dfacad02

Aliases

arxiv: 2605.19999 · arxiv_version: 2605.19999v1 · doi: 10.48550/arxiv.2605.19999 · pith_short_12: BGRULHLZNUUT · pith_short_16: BGRULHLZNUUTXKJZ · pith_short_8: BGRULHLZ

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/BGRULHLZNUUTXKJZINGIKWOBDJ \
  | 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: 09a3459d796d293ba939434c8559c11a46b2ef430c2cee29ee7b4ec5dfacad02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dda7a0559621e1148817af99ac77cf224857ec31db23d34d62502a40cf6dd1e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T15:33:16Z",
    "title_canon_sha256": "059ead94e76a7e85633f5d4b145c050d2fd31b851101920584dd39d41e227ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19999",
    "kind": "arxiv",
    "version": 1
  }
}