Pith Number

pith:ZAOS43PB

pith:2014:ZAOS43PBQBY244STTFW2I4SUON

not attested not anchored not stored refs pending

The four-way intersection problem for latin squares

E. S. Mahmoodian, H. Minooei, M. Mohammadi Nevisi, P. Adams

arxiv:1408.6725 v2 · 2014-08-27 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAOS43PBQBY244STTFW2I4SUON}

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	2026-05-18T01:32:57.799309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81d2e6de18071ae7253996da47254735ef530d9b39510feaefd41d24872d225

Aliases

arxiv: 1408.6725 · arxiv_version: 1408.6725v2 · doi: 10.48550/arxiv.1408.6725 · pith_short_12: ZAOS43PBQBY2 · pith_short_16: ZAOS43PBQBY244ST · pith_short_8: ZAOS43PB

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/ZAOS43PBQBY244STTFW2I4SUON \
  | 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: c81d2e6de18071ae7253996da47254735ef530d9b39510feaefd41d24872d225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a5aec0c2753387432b802ec6e8712aaa1299ac58bd6672d2aeeec2bde033c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-27T05:18:09Z",
    "title_canon_sha256": "27eec9a24979cdc47dc177a2dad40ae070a921cd84771c577a56fb97572af48c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6725",
    "kind": "arxiv",
    "version": 2
  }
}