Pith Number

pith:K4OZ6QF7

pith:2018:K4OZ6QF7GZUGWP3TAJXDKPYXBI

not attested not anchored not stored refs pending

On some distance-regular graphs with many vertices

Andrea Svob, Dean Crnkovic, Sanja Rukavina

arxiv:1809.10197 v2 · 2018-09-26 · 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{K4OZ6QF7GZUGWP3TAJXDKPYXBI}

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	2026-05-18T00:04:02.203168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571d9f40bf36686b3f73026e353f170a0ffdf98b182e9d7cb90b0eaca34b5c92

Aliases

arxiv: 1809.10197 · arxiv_version: 1809.10197v2 · doi: 10.48550/arxiv.1809.10197 · pith_short_12: K4OZ6QF7GZUG · pith_short_16: K4OZ6QF7GZUGWP3T · pith_short_8: K4OZ6QF7

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/K4OZ6QF7GZUGWP3TAJXDKPYXBI \
  | 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: 571d9f40bf36686b3f73026e353f170a0ffdf98b182e9d7cb90b0eaca34b5c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a145fcef5a986cc7a06cf15fc5fa333374ba824c39647e4590870dca2d259121",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-26T19:14:06Z",
    "title_canon_sha256": "fbc91a25ee84a277b4eebe3f122a226f70ad8c2bcb545ce02a72ff5712ced4fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10197",
    "kind": "arxiv",
    "version": 2
  }
}