pith. sign in
Pith Number

pith:DTI3735C

pith:2015:DTI3735C6WTMKIVXJXVTWWV2HW
not attested not anchored not stored refs pending

Overlapping latin subsquares and full products

Ian M. Wanless, Joshua M. Browning, Petr Vojt\v{e}chovsk\'y

arxiv:1509.05665 v1 · 2015-09-18 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DTI3735C6WTMKIVXJXVTWWV2HW}

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 2026-05-18T01:32:42.653844Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1cd1bfefa2f5a6c522b74deb3b5aba3db276e54b170b061a516d8f69eae02305

Aliases

arxiv: 1509.05665 · arxiv_version: 1509.05665v1 · doi: 10.48550/arxiv.1509.05665 · pith_short_12: DTI3735C6WTM · pith_short_16: DTI3735C6WTMKIVX · pith_short_8: DTI3735C
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DTI3735C6WTMKIVXJXVTWWV2HW \
  | 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: 1cd1bfefa2f5a6c522b74deb3b5aba3db276e54b170b061a516d8f69eae02305
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "677ab4ca55f26a79fb7fa50e1ac020a59a3242b10fce30ae01635650a64c9d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-09-18T15:30:01Z",
    "title_canon_sha256": "13013024086b71e37e3eca1187bdb324ef25e2a486017b5a27d5a7570cba6fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05665",
    "kind": "arxiv",
    "version": 1
  }
}