Pith Number

pith:SZMWZE2P

pith:2002:SZMWZE2PQ2AS273WXXD35GTIV5

not attested not anchored not stored refs pending

The Lattice of N-Run Orthogonal Arrays

E. M. Rains, John Stufken, N. J. A. Sloane

arxiv:math/0205299 v1 · 2002-05-28 · math.CO · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZMWZE2PQ2AS273WXXD35GTIV5}

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	2026-05-18T02:35:38.604882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96596c934f86812d7f76bdc7be9a68af7231d758d724d82b1989902157a8f44b

Aliases

arxiv: math/0205299 · arxiv_version: math/0205299v1 · doi: 10.48550/arxiv.math/0205299 · pith_short_12: SZMWZE2PQ2AS · pith_short_16: SZMWZE2PQ2AS273W · pith_short_8: SZMWZE2P

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/SZMWZE2PQ2AS273WXXD35GTIV5 \
  | 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: 96596c934f86812d7f76bdc7be9a68af7231d758d724d82b1989902157a8f44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3cafeb1e3fbce5276bb747aadddb31992d0df2c7a1f3bf799fc83432cb0c754",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2002-05-28T17:35:10Z",
    "title_canon_sha256": "7bf46290ba71fc30c5a057ccd4616201a778e6a5b69ce02be0bae8594ba2269e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0205299",
    "kind": "arxiv",
    "version": 1
  }
}