Pith Number

pith:BDBX52X3

pith:2018:BDBX52X3CNAIGTN6RHYFG6N72Z

not attested not anchored not stored refs pending

Triples of Orthogonal Latin and Youden Rectangles For Small Orders

Denys Shcherbak, Gerold J\"ager, Klas Markstr\"om, Lars-Daniel \"Ohman

arxiv:1810.12639 v1 · 2018-10-30 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDBX52X3CNAIGTN6RHYFG6N72Z}

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	2026-05-18T00:01:56.437064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c37eeafb1340834dbe89f05379bfd6647e205c7e656111cab95c5f0e2d9019

Aliases

arxiv: 1810.12639 · arxiv_version: 1810.12639v1 · doi: 10.48550/arxiv.1810.12639 · pith_short_12: BDBX52X3CNAI · pith_short_16: BDBX52X3CNAIGTN6 · pith_short_8: BDBX52X3

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/BDBX52X3CNAIGTN6RHYFG6N72Z \
  | 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: 08c37eeafb1340834dbe89f05379bfd6647e205c7e656111cab95c5f0e2d9019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88788f8a2b45e19968f77c50f69b072c32144ec59e54db00828e5a1a5a867912",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-30T10:32:00Z",
    "title_canon_sha256": "6f717cdaaac43cc09eab0f5f89f48c0cdebb3ad2d059141136b985a4a64f2ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12639",
    "kind": "arxiv",
    "version": 1
  }
}