Pith Number

pith:YDJOT25W

pith:2014:YDJOT25W6KLBZORMY3TYF3SKSD

not attested not anchored not stored refs pending

The graphs of Hoffman-Singleton, Higman-Sims, and McLaughlin, and the Hermitian curve of degree 6 in characteristic 5

Ichiro Shimada

arxiv:1405.4643 v1 · 2014-05-19 · math.AG · 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{YDJOT25W6KLBZORMY3TYF3SKSD}

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	2026-05-18T02:51:35.026713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d2e9ebb6f2961cba2cc6e782ee4a90e92ff385bbfe2f8c1ddc2bdaff81dbad

Aliases

arxiv: 1405.4643 · arxiv_version: 1405.4643v1 · doi: 10.48550/arxiv.1405.4643 · pith_short_12: YDJOT25W6KLB · pith_short_16: YDJOT25W6KLBZORM · pith_short_8: YDJOT25W

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/YDJOT25W6KLBZORMY3TYF3SKSD \
  | 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: c0d2e9ebb6f2961cba2cc6e782ee4a90e92ff385bbfe2f8c1ddc2bdaff81dbad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83dc64f96d786690d87f32701dd39cfcea49b247657225d3edac0cd687d903b4",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-19T08:53:18Z",
    "title_canon_sha256": "a49449b974972aef944534dbad641998459ebee345c991f2da96c44f77be9525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4643",
    "kind": "arxiv",
    "version": 1
  }
}