Pith Number

pith:7POPMWQF

pith:2013:7POPMWQFBRHX252Z47EYBLNENZ

not attested not anchored not stored refs pending

Almost Difference Sets, Normally Regular Digraphs and Cyclotomic Schemes from Cyclotomy of Order Twelve

Kathleen Nowak, Oktay Olmez, Sung Y. Song

arxiv:1310.1164 v2 · 2013-10-04 · 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{7POPMWQFBRHX252Z47EYBLNENZ}

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	2026-05-18T03:10:26.006921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbdcf65a050c4f7d7759e7c980ada46e46fa630f7593232d904181ded67feee1

Aliases

arxiv: 1310.1164 · arxiv_version: 1310.1164v2 · doi: 10.48550/arxiv.1310.1164 · pith_short_12: 7POPMWQFBRHX · pith_short_16: 7POPMWQFBRHX252Z · pith_short_8: 7POPMWQF

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/7POPMWQFBRHX252Z47EYBLNENZ \
  | 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: fbdcf65a050c4f7d7759e7c980ada46e46fa630f7593232d904181ded67feee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e1d1d713ecf51182263f543838534d4c0bbe29707f7f5d69defb6c177f7b09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-10-04T04:36:17Z",
    "title_canon_sha256": "53b809d8e4ca41f4cce2a6562b9ecab3ccbb8261128e847b4306fef743c145c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1164",
    "kind": "arxiv",
    "version": 2
  }
}