Pith Number

pith:QIT3JDI2

pith:2026:QIT3JDI2HZVJQLJRANXAHBK3UA

not attested not anchored not stored refs pending

Croissant Tasks: A Metadata Format for Reproducible Machine Learning Evaluations

Benedictus Kent Rachmat, Ihsan Ullah, Isabelle Guyon, Joaquin Vanschoren, Jonathan Lebensold, Leonardo Martins Bianco, Luis Oala, Omar Benjelloun, Peyman Vahidi, Sebastian Lobentanzer, Thanh Gia Hieu Khuong

arxiv:2605.29786 v1 · 2026-05-28 · 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{QIT3JDI2HZVJQLJRANXAHBK3UA}

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	2026-05-29T02:05:52.291364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8227b48d1a3e6a982d31036e03855ba0386801cf149ca1e8cd54d468fd92893a

Aliases

arxiv: 2605.29786 · arxiv_version: 2605.29786v1 · doi: 10.48550/arxiv.2605.29786 · pith_short_12: QIT3JDI2HZVJ · pith_short_16: QIT3JDI2HZVJQLJR · pith_short_8: QIT3JDI2

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/QIT3JDI2HZVJQLJRANXAHBK3UA \
  | 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: 8227b48d1a3e6a982d31036e03855ba0386801cf149ca1e8cd54d468fd92893a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c26272826ce78342c2f3a16789195287ab23b6ad84fef532aa13750b5ff1f272",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-28T11:34:09Z",
    "title_canon_sha256": "ab9a60ae2b21b8ceab61f4758c3628a4f04d6055681c41750d9612f2c4cb5185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29786",
    "kind": "arxiv",
    "version": 1
  }
}