Pith Number

pith:5LJVIMVT

pith:2014:5LJVIMVTTAONOB22GYTB3SYZUJ

not attested not anchored not stored refs pending

A class of symmetric association schemes as inclusion of biplanes

Ivica Martinjak

arxiv:1401.5441 v1 · 2014-01-21 · 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{5LJVIMVTTAONOB22GYTB3SYZUJ}

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	2026-05-18T03:01:33.749056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ead35432b3981cd7075a36261dcb19a249491a82552abc9551c225b1be2421d3

Aliases

arxiv: 1401.5441 · arxiv_version: 1401.5441v1 · doi: 10.48550/arxiv.1401.5441 · pith_short_12: 5LJVIMVTTAON · pith_short_16: 5LJVIMVTTAONOB22 · pith_short_8: 5LJVIMVT

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/5LJVIMVTTAONOB22GYTB3SYZUJ \
  | 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: ead35432b3981cd7075a36261dcb19a249491a82552abc9551c225b1be2421d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb5db7f1d9e380ce19750f9bc63cfea89c19ebd757441cc895e1ee3f1a45227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-21T20:05:48Z",
    "title_canon_sha256": "112a39e8de7402209d410c427452b90a7986722034c36f46d1b94b6b22d2e651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5441",
    "kind": "arxiv",
    "version": 1
  }
}