Pith Number

pith:TFUBA4AC

pith:2018:TFUBA4ACUQ6RKAK62Y3J5U2FGO

not attested not anchored not stored refs pending

Unions of Orthogonal Arrays and their aberrations via Hilbert bases

Fabio Rapallo, Roberto Fontana

arxiv:1801.00591 v1 · 2018-01-02 · math.ST · stat.ME · 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{TFUBA4ACUQ6RKAK62Y3J5U2FGO}

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	2026-05-18T00:26:52.937676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9968107002a43d15015ed6369ed34533afc0197d013cde77387364d12d755991

Aliases

arxiv: 1801.00591 · arxiv_version: 1801.00591v1 · doi: 10.48550/arxiv.1801.00591 · pith_short_12: TFUBA4ACUQ6R · pith_short_16: TFUBA4ACUQ6RKAK6 · pith_short_8: TFUBA4AC

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/TFUBA4ACUQ6RKAK62Y3J5U2FGO \
  | 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: 9968107002a43d15015ed6369ed34533afc0197d013cde77387364d12d755991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3794ab6831cfcd2208c1bb763e4af0563ee4c011a4a0d88e7d20563aba00c847",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-01-02T09:59:27Z",
    "title_canon_sha256": "28e0a45ae1277278d43856722f3a42c4d583299592306faa711fb1d80b56975a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00591",
    "kind": "arxiv",
    "version": 1
  }
}