Pith Number

pith:7BGL4DYG

pith:2026:7BGL4DYGLG6T7T6TJXYPQ3ILQA

not attested not anchored not stored refs pending

How Hard is it to Rig a Benchmark? A Social Choice Analysis of Leaderboard Robustness

Christoph Jansen, Frauke Kreuter, Georg Schollmeyer, Polina Gordienko

arxiv:2605.23628 v1 · 2026-05-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BGL4DYGLG6T7T6TJXYPQ3ILQA}

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	2026-05-25T02:02:22.761578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84cbe0f0659bd3fcfd34df0f86d0b8016c4dac579dc1ca3484577296124927a

Aliases

arxiv: 2605.23628 · arxiv_version: 2605.23628v1 · doi: 10.48550/arxiv.2605.23628 · pith_short_12: 7BGL4DYGLG6T · pith_short_16: 7BGL4DYGLG6T7T6T · pith_short_8: 7BGL4DYG

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/7BGL4DYGLG6T7T6TJXYPQ3ILQA \
  | 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: f84cbe0f0659bd3fcfd34df0f86d0b8016c4dac579dc1ca3484577296124927a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2069e20484b54b33b41c3be0123881596685f3bf5bb19bc2c14e9da93bf0ec67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T13:40:00Z",
    "title_canon_sha256": "7132f337f380bad2a733d8c7be6e0985d642dbc78947ae6053db52c6d5785a1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23628",
    "kind": "arxiv",
    "version": 1
  }
}