Pith Number

pith:QK5KLLWT

pith:2014:QK5KLLWTDVBZWZP4723NZRBTSN

not attested not anchored not stored refs pending

Pairwise Balanced Designs and Sigma Clique Partitions

Akbar Davoodi, Behnaz Omoomi, Ramin Javadi

arxiv:1411.0266 v1 · 2014-11-02 · 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{QK5KLLWTDVBZWZP4723NZRBTSN}

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	2026-05-18T02:38:52.116222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82baa5aed31d439b65fcfeb6dcc433934d1ca326c5fc75cd1ee7fc0da03cdc66

Aliases

arxiv: 1411.0266 · arxiv_version: 1411.0266v1 · doi: 10.48550/arxiv.1411.0266 · pith_short_12: QK5KLLWTDVBZ · pith_short_16: QK5KLLWTDVBZWZP4 · pith_short_8: QK5KLLWT

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/QK5KLLWTDVBZWZP4723NZRBTSN \
  | 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: 82baa5aed31d439b65fcfeb6dcc433934d1ca326c5fc75cd1ee7fc0da03cdc66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156c9e3fb3137bb59859ee0109ca402dea2ebc969c2acabf3429d7264c8066e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-02T15:11:25Z",
    "title_canon_sha256": "8d480ec5b7e77765495ecddaa6032fd13bbf6fe57b58da1f8aa577d4e049249f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0266",
    "kind": "arxiv",
    "version": 1
  }
}