Pith Number

pith:LM2VUU5E

pith:2017:LM2VUU5EZFEVXJKM6Q6PNP4MS3

not attested not anchored not stored refs pending

Largest regular multigraphs with three distinct eigenvalues

Hiroshi Nozaki

arxiv:1704.02675 v2 · 2017-04-10 · 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{LM2VUU5EZFEVXJKM6Q6PNP4MS3}

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	2026-05-17T23:48:57.495561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b355a53a4c9495ba54cf43cf6bf8c96d6e38d777e2ebdb8e8c1b7688f1830e0

Aliases

arxiv: 1704.02675 · arxiv_version: 1704.02675v2 · doi: 10.48550/arxiv.1704.02675 · pith_short_12: LM2VUU5EZFEV · pith_short_16: LM2VUU5EZFEVXJKM · pith_short_8: LM2VUU5E

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/LM2VUU5EZFEVXJKM6Q6PNP4MS3 \
  | 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: 5b355a53a4c9495ba54cf43cf6bf8c96d6e38d777e2ebdb8e8c1b7688f1830e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab2d129cf9c824d5978d627b7268d919e1492ed81fc7a3f6ba5f2dd4835ebe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-10T00:34:54Z",
    "title_canon_sha256": "9de3efb31b9e5a328019e5b7232580ea8a25592898f85aaf9918273c94d7e3c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02675",
    "kind": "arxiv",
    "version": 2
  }
}