Pith Number

pith:X52Z7CAQ

pith:2019:X52Z7CAQSGUJEOWCOUTBP7JKX5

not attested not anchored not stored refs pending

New Extremal binary self-dual codes from a Baumert-Hall array

Abidin Kaya, Bahattin Yildiz

arxiv:1902.01547 v1 · 2019-02-05 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X52Z7CAQSGUJEOWCOUTBP7JKX5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:54:47.377079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf759f881091a8923ac2752617fd2abf5ed3542dc5c3a7a6e149adb2835861d5

Aliases

arxiv: 1902.01547 · arxiv_version: 1902.01547v1 · doi: 10.48550/arxiv.1902.01547 · pith_short_12: X52Z7CAQSGUJ · pith_short_16: X52Z7CAQSGUJEOWC · pith_short_8: X52Z7CAQ

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/X52Z7CAQSGUJEOWCOUTBP7JKX5 \
  | 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: bf759f881091a8923ac2752617fd2abf5ed3542dc5c3a7a6e149adb2835861d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "329d11e2fb615fa1740b37c1577f67336b63eda1d473b72c98351e295a9db60f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-05T05:01:34Z",
    "title_canon_sha256": "86a7baf7e71834d198cca6b28495bc0562d8d530399d87b8a90f7449850afad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01547",
    "kind": "arxiv",
    "version": 1
  }
}