Pith Number

pith:XLINRFON

pith:2014:XLINRFON4LSP2NWWH77KVILVYQ

not attested not anchored not stored refs pending

The Babe Ruth Algorithm: a fast, unbiased procedure to randomize presence-absence data matrices with fixed row and column totals

Domenico Nappo, Francesco Boccacci, Giovanni Strona, Jesus San-Miguel-Ayanz, Simone Fattorini

arxiv:1404.3466 v1 · 2014-04-14 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLINRFON4LSP2NWWH77KVILVYQ}

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	2026-05-18T02:49:53.481414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad0d895cde2e4fd36d63ffeaaa175c42818215e69f2531cafdeb646ba376769

Aliases

arxiv: 1404.3466 · arxiv_version: 1404.3466v1 · doi: 10.48550/arxiv.1404.3466 · pith_short_12: XLINRFON4LSP · pith_short_16: XLINRFON4LSP2NWW · pith_short_8: XLINRFON

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/XLINRFON4LSP2NWWH77KVILVYQ \
  | 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: bad0d895cde2e4fd36d63ffeaaa175c42818215e69f2531cafdeb646ba376769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0388133f263854b2a994a6a1c28ea2247165873a9118611eab947233262403b9",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-04-14T06:25:00Z",
    "title_canon_sha256": "e46231af8a833cf469cdb31b73188d40f75d706b2ad275ecb8c52e5a259ee1b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3466",
    "kind": "arxiv",
    "version": 1
  }
}