Pith Number

pith:O4N25O7O

pith:2017:O4N25O7OC3LSUQSCGW4MOKV636

not attested not anchored not stored refs pending

One-Sided Cross-Validation for Nonsmooth Density Functions

Olga Y. Savchuk

arxiv:1703.05157 v1 · 2017-03-15 · 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{O4N25O7OC3LSUQSCGW4MOKV636}

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	2026-05-18T00:48:38.192561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771baebbee16d72a424235b8c72abedf94638cc377d716c64b78c2edce9175fb

Aliases

arxiv: 1703.05157 · arxiv_version: 1703.05157v1 · doi: 10.48550/arxiv.1703.05157 · pith_short_12: O4N25O7OC3LS · pith_short_16: O4N25O7OC3LSUQSC · pith_short_8: O4N25O7O

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/O4N25O7OC3LSUQSCGW4MOKV636 \
  | 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: 771baebbee16d72a424235b8c72abedf94638cc377d716c64b78c2edce9175fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519f35c8af1c463baaed5490af1b970c14e4c3e5dd87df399435216822ad0aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-03-15T13:51:52Z",
    "title_canon_sha256": "295ca5c7a886dc611bf9ee24c16e1efef36fa60d288c1e38cb388cda0f31380e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05157",
    "kind": "arxiv",
    "version": 1
  }
}