Pith Number

pith:USQZ2BVK

pith:2016:USQZ2BVKESNVPR5FI7BAGWG23S

not attested not anchored not stored refs pending

Theoretical Properties and Practical Performance of Fully Robust One-Sided Cross-Validation

Jeffrey D. Hart, Olga Y. Savchuk

arxiv:1602.08521 v1 · 2016-02-26 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USQZ2BVKESNVPR5FI7BAGWG23S}

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	2026-05-18T01:19:52.620058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a19d06aa249b57c7a547c20358dadc9fac4dc3d0edb72d865c98f8320e3088

Aliases

arxiv: 1602.08521 · arxiv_version: 1602.08521v1 · doi: 10.48550/arxiv.1602.08521 · pith_short_12: USQZ2BVKESNV · pith_short_16: USQZ2BVKESNVPR5F · pith_short_8: USQZ2BVK

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/USQZ2BVKESNVPR5FI7BAGWG23S \
  | 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: a4a19d06aa249b57c7a547c20358dadc9fac4dc3d0edb72d865c98f8320e3088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10389628376f425559084b7a2c2ab427618aaabfa13b384d3d47ae4becb513db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-02-26T22:18:49Z",
    "title_canon_sha256": "31590bead293a84ce163283c1d4b6f3979f771783c86a1bca6c8ca62f1f29896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08521",
    "kind": "arxiv",
    "version": 1
  }
}