Pith Number

pith:5I7YF5VC

pith:2015:5I7YF5VCVXPP37BPVCMQ3WHEYM

not attested not anchored not stored refs pending

A note on the minimum size of an orthogonal array

Jay H. Beder, Margaret Ann McComack

arxiv:1508.06558 v1 · 2015-08-24 · math.ST · math.CO · 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{5I7YF5VCVXPP37BPVCMQ3WHEYM}

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	2026-05-18T01:34:42.673544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea3f82f6a2addefdfc2fa8990dd8e4c336496e2b1073147b0dbb44db61a99a7e

Aliases

arxiv: 1508.06558 · arxiv_version: 1508.06558v1 · doi: 10.48550/arxiv.1508.06558 · pith_short_12: 5I7YF5VCVXPP · pith_short_16: 5I7YF5VCVXPP37BP · pith_short_8: 5I7YF5VC

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/5I7YF5VCVXPP37BPVCMQ3WHEYM \
  | 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: ea3f82f6a2addefdfc2fa8990dd8e4c336496e2b1073147b0dbb44db61a99a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23774643995b41084b26a524b3680d6f5148a13caf29c9e8e2b34bfb2b2ce48b",
    "cross_cats_sorted": [
      "math.CO",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-08-24T21:47:16Z",
    "title_canon_sha256": "711a4846a3fa96ff0464e4ad325096a75e0ee2b45913fc9ef97848a1270b18ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06558",
    "kind": "arxiv",
    "version": 1
  }
}