Pith Number

pith:PNFC67IG

pith:2017:PNFC67IGH4KDXM565PKYCFHOXY

not attested not anchored not stored refs pending

Asymptotic enumeration of perfect matchings in $m$-barrel fullerene graphs

Afshin Behmaram, C\'edric Boutillier

arxiv:1710.05156 v1 · 2017-10-14 · 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{PNFC67IGH4KDXM565PKYCFHOXY}

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	2026-05-18T00:32:54.180933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4a2f7d063f143bb3beebd58114eebe0f0df3c142ad94dbb63096186525cd26

Aliases

arxiv: 1710.05156 · arxiv_version: 1710.05156v1 · doi: 10.48550/arxiv.1710.05156 · pith_short_12: PNFC67IGH4KD · pith_short_16: PNFC67IGH4KDXM56 · pith_short_8: PNFC67IG

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/PNFC67IGH4KDXM565PKYCFHOXY \
  | 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: 7b4a2f7d063f143bb3beebd58114eebe0f0df3c142ad94dbb63096186525cd26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461ca3bcec57c4a5de7608cf41b4b403299f481e16b4028863f85ea317a62039",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-14T09:35:02Z",
    "title_canon_sha256": "8fccd6bb0c9d5793fbf6a24ff62ed1fdbdffbd853b573b77d03303cf8dc6d8d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05156",
    "kind": "arxiv",
    "version": 1
  }
}