Pith Number

pith:R5M2IP4L

pith:2013:R5M2IP4L2DBXG3KJYK2EYV57QU

not attested not anchored not stored refs pending

SVD, discrepancy, and regular structure of contingency tables

Marianna Bolla

arxiv:1301.5259 v1 · 2013-01-22 · math.ST · stat.AP · 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{R5M2IP4L2DBXG3KJYK2EYV57QU}

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	2026-05-18T03:35:52.459146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f59a43f8bd0c3736d49c2b44c57bf85159fe1e32f0d6bc78a202293a3033cc9

Aliases

arxiv: 1301.5259 · arxiv_version: 1301.5259v1 · doi: 10.48550/arxiv.1301.5259 · pith_short_12: R5M2IP4L2DBX · pith_short_16: R5M2IP4L2DBXG3KJ · pith_short_8: R5M2IP4L

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/R5M2IP4L2DBXG3KJYK2EYV57QU \
  | 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: 8f59a43f8bd0c3736d49c2b44c57bf85159fe1e32f0d6bc78a202293a3033cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3e7271b13ee14ca6847594059f4ec258c2961c9e17149b7cc1e14fa7e87652b",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-01-22T18:03:43Z",
    "title_canon_sha256": "6c7da2aa6fc4b1968eb020ba7117f735148a6104bbda121e3f5c82a34f32640d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5259",
    "kind": "arxiv",
    "version": 1
  }
}