Pith Number

pith:HPZFVXZ5

pith:2026:HPZFVXZ5XMNIQA3QEML5XFVCM6

not attested not anchored not stored refs pending

Crossing the Validation Crisis: Cross-Validation Reduces Benchmarking Variance Surprisingly Well

C\'elestin Eve, Ga\"el Varoquaux, Thomas Moreau

arxiv:2606.12552 v1 · 2026-06-10 · 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{HPZFVXZ5XMNIQA3QEML5XFVCM6}

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	2026-06-12T00:07:54.375849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf25adf3dbb1a8803702317db96a267932d9531b34d13b5dd06033aa779b119

Aliases

arxiv: 2606.12552 · arxiv_version: 2606.12552v1 · doi: 10.48550/arxiv.2606.12552 · pith_short_12: HPZFVXZ5XMNI · pith_short_16: HPZFVXZ5XMNIQA3Q · pith_short_8: HPZFVXZ5

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/HPZFVXZ5XMNIQA3QEML5XFVCM6 \
  | 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: 3bf25adf3dbb1a8803702317db96a267932d9531b34d13b5dd06033aa779b119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b891ca503526fd49ecbca3882f38b56826d868c585390c40ded014ea24ade2e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-10T18:03:19Z",
    "title_canon_sha256": "55bb0b2220e4706bf927ba9288d6fe9843217b4d04fdf223ae52fb238c13ef66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12552",
    "kind": "arxiv",
    "version": 1
  }
}