Pith Number

pith:LHV4FI6D

pith:2013:LHV4FI6DCYZ4ZG6ZVQVTQOMAMH

not attested not anchored not stored refs pending

Geometric aspects of 2-walk-regular graphs

Edwin R. van Dam, Jack H. Koolen, Jongyook Park, Marc C\'amara

arxiv:1304.2905 v3 · 2013-04-10 · 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{LHV4FI6DCYZ4ZG6ZVQVTQOMAMH}

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	2026-05-18T01:26:11.187758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59ebc2a3c31633cc9bd9ac2b38398061e83ad86348880abfa7d1fa57a0dfdb15

Aliases

arxiv: 1304.2905 · arxiv_version: 1304.2905v3 · doi: 10.48550/arxiv.1304.2905 · pith_short_12: LHV4FI6DCYZ4 · pith_short_16: LHV4FI6DCYZ4ZG6Z · pith_short_8: LHV4FI6D

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/LHV4FI6DCYZ4ZG6ZVQVTQOMAMH \
  | 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: 59ebc2a3c31633cc9bd9ac2b38398061e83ad86348880abfa7d1fa57a0dfdb15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba30a2de9de410149dad3cb873d1ade0502fafd84a098170a6f49af671db5c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-04-10T10:51:28Z",
    "title_canon_sha256": "b1c8bcf7513be9d03993c76bff28260f4bef06b8019520245736db061146857e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2905",
    "kind": "arxiv",
    "version": 3
  }
}