pith. sign in
Pith Number

pith:W4NLOUPY

pith:2011:W4NLOUPYZIUD6T565UA2K43YB5
not attested not anchored not stored refs pending

Bipartizing fullerenes

Bernard Lidicky, Riste Skrekovski, Zdenek Dvorak

arxiv:1106.0420 v1 · 2011-06-02 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W4NLOUPYZIUD6T565UA2K43YB5}

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 2026-05-18T00:02:22.784689Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b71ab751f8ca283f4fbeed01a573780f66ce541d0c97106e914f4c29c0495d5a

Aliases

arxiv: 1106.0420 · arxiv_version: 1106.0420v1 · doi: 10.48550/arxiv.1106.0420 · pith_short_12: W4NLOUPYZIUD · pith_short_16: W4NLOUPYZIUD6T56 · pith_short_8: W4NLOUPY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W4NLOUPYZIUD6T565UA2K43YB5 \
  | 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: b71ab751f8ca283f4fbeed01a573780f66ce541d0c97106e914f4c29c0495d5a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "35f7028ffa980eadff0f32d00633b0a55b555c819b49b3ff63a66e7db54cc468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-06-02T13:00:23Z",
    "title_canon_sha256": "087785647d423942c445a80e4fc699a0615680937f3be66191deaabe9ede6cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0420",
    "kind": "arxiv",
    "version": 1
  }
}