Pith Number

pith:IZIWNA2R

pith:2012:IZIWNA2R7LOKRJWQP7ER7ZWJRI

not attested not anchored not stored refs pending

Covering cubic graphs with matchings of large size

Giuseppe Mazzuoccolo, Simona Bonvicini

arxiv:1210.3930 v1 · 2012-10-15 · 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{IZIWNA2R7LOKRJWQP7ER7ZWJRI}

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	2026-05-18T03:43:16.727650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4651668351fadca8a6d07fc91fe6c98a1cf9d76566e552c747af9fc4b0636420

Aliases

arxiv: 1210.3930 · arxiv_version: 1210.3930v1 · doi: 10.48550/arxiv.1210.3930 · pith_short_12: IZIWNA2R7LOK · pith_short_16: IZIWNA2R7LOKRJWQ · pith_short_8: IZIWNA2R

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/IZIWNA2R7LOKRJWQP7ER7ZWJRI \
  | 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: 4651668351fadca8a6d07fc91fe6c98a1cf9d76566e552c747af9fc4b0636420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01707e5ab479472e9925dc70dfb200e211f39f46fc5561663f4bd6fcaebe1f36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-15T07:55:20Z",
    "title_canon_sha256": "5a917a876acfe72f9020f56892c3c7d54d58b680b9ac058ea71def6c8ca89fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3930",
    "kind": "arxiv",
    "version": 1
  }
}