Pith Number

pith:4VERSYXS

pith:2012:4VERSYXSP2FAU3PBUZKQZIO7IY

not attested not anchored not stored refs pending

Efficient, adaptive cross-validation for tuning and comparing models, with application to drug discovery

Hui Shen, Jacqueline M. Hughes-Oliver, William J. Welch

arxiv:1202.6536 v1 · 2012-02-29 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VERSYXSP2FAU3PBUZKQZIO7IY}

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	2026-05-18T04:01:12.227280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5491962f27e8a0a6de1a6550ca1df463c576dd03909929c349d1a18ba850153

Aliases

arxiv: 1202.6536 · arxiv_version: 1202.6536v1 · doi: 10.48550/arxiv.1202.6536 · pith_short_12: 4VERSYXSP2FA · pith_short_16: 4VERSYXSP2FAU3PB · pith_short_8: 4VERSYXS

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/4VERSYXSP2FAU3PBUZKQZIO7IY \
  | 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: e5491962f27e8a0a6de1a6550ca1df463c576dd03909929c349d1a18ba850153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73382cbc38e8f06b514245f9194baced2f06e443f1b8e606e7b44f12a7ba32a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-02-29T13:12:51Z",
    "title_canon_sha256": "25023230ed74a6b3a0e8400bba2e8f9d2260d913624ea164c2d80cfbe068f25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6536",
    "kind": "arxiv",
    "version": 1
  }
}