Pith Number

pith:NYEUNPMS

pith:2015:NYEUNPMST4JVZ6RVIMYXBVZWWW

not attested not anchored not stored refs pending

Graphs with no induced wheel or antiwheel

Fr\'ed\'eric Maffray

arxiv:1502.07484 v1 · 2015-02-26 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYEUNPMST4JVZ6RVIMYXBVZWWW}

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	2026-05-18T02:26:03.577900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e0946bd929f135cfa35433170d736b5a824bbc40403492efa6d84980eaf7cb0

Aliases

arxiv: 1502.07484 · arxiv_version: 1502.07484v1 · doi: 10.48550/arxiv.1502.07484 · pith_short_12: NYEUNPMST4JV · pith_short_16: NYEUNPMST4JVZ6RV · pith_short_8: NYEUNPMS

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/NYEUNPMST4JVZ6RVIMYXBVZWWW \
  | 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: 6e0946bd929f135cfa35433170d736b5a824bbc40403492efa6d84980eaf7cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc608efd8cdb1fd2aa98a23e47a46a78d4124a59bae3eb9582de2828f260e06",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-26T09:55:09Z",
    "title_canon_sha256": "3c9dc8dafba53c94ee54b40bd65542c1588813b2a37545f202e8903e7650d00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07484",
    "kind": "arxiv",
    "version": 1
  }
}