Pith Number

pith:67VSJS3Q

pith:2015:67VSJS3QOHJHH6SGWQTHTW3MTH

not attested not anchored not stored refs pending

Construction of infinite families of non-Schurian association schemes of order $2p^2$, $p$ an odd prime, based on biaffine planes and Heisenberg groups: research report and beyond

Mikhail Klin, \v{S}tefan Gy\"urki

arxiv:1507.03783 v1 · 2015-07-14 · 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{67VSJS3QOHJHH6SGWQTHTW3MTH}

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	2026-05-18T01:36:57.354600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7eb24cb7071d273fa46b42679db6c99dc8b32f5227b54d969cb1e460c078545

Aliases

arxiv: 1507.03783 · arxiv_version: 1507.03783v1 · doi: 10.48550/arxiv.1507.03783 · pith_short_12: 67VSJS3QOHJH · pith_short_16: 67VSJS3QOHJHH6SG · pith_short_8: 67VSJS3Q

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/67VSJS3QOHJHH6SGWQTHTW3MTH \
  | 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: f7eb24cb7071d273fa46b42679db6c99dc8b32f5227b54d969cb1e460c078545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0744abf91205dd39069bb5d49351d3b1e7915e91bea549f4a90d5192380b53d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-14T09:21:57Z",
    "title_canon_sha256": "eae8a58e5dff61b67099652bfa473d44fec5e40679bcece42ed539e670d31ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03783",
    "kind": "arxiv",
    "version": 1
  }
}