Pith Number

pith:EZ7NVEMU

pith:2021:EZ7NVEMUGVE44AKS6DMDT3QWEM

not attested not anchored not stored refs pending

On strongly regular graph with parameters (65; 32; 15; 16)

Oleg Gritsenko

arxiv:2102.05432 v1 · 2021-02-10 · 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{EZ7NVEMUGVE44AKS6DMDT3QWEM}

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.

Cited by

2 papers in Pith

Fuzzy, Neutrosophic, and Uncertain Graph Theory: Properties and Applications

Approaching the Conway-99 problem using SAT solvers

Receipt and verification

First computed	2026-07-05T02:14:18.577040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267eda91943549ce0152f0d839ee16231c9e0e73d70e6355886f1cc04573f9d6

Aliases

arxiv: 2102.05432 · arxiv_version: 2102.05432v1 · doi: 10.48550/arxiv.2102.05432 · pith_short_12: EZ7NVEMUGVE4 · pith_short_16: EZ7NVEMUGVE44AKS · pith_short_8: EZ7NVEMU

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/EZ7NVEMUGVE44AKS6DMDT3QWEM \
  | 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: 267eda91943549ce0152f0d839ee16231c9e0e73d70e6355886f1cc04573f9d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc03a05b83776b54bf86eb2834fa5f1b4a50e14c813e571a4134d443f6c7c56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-02-10T13:53:43Z",
    "title_canon_sha256": "63d6f4faec3cd68bf08a955452b95d3c4a3f9a43a1cf342a2509b779f16772cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05432",
    "kind": "arxiv",
    "version": 1
  }
}