Pith Number

pith:EMX5AEWZ

pith:2018:EMX5AEWZTOFXAZ76Z5O57LUXOC

not attested not anchored not stored refs pending

On the algorithmic complexity of finding hamiltonian cycles in special classes of planar cubic graphs

Behrooz Bagheri Gh., Carlos Subi, Herbert Fleischner, Tomas Feder

arxiv:1806.06713 v1 · 2018-06-15 · 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{EMX5AEWZTOFXAZ76Z5O57LUXOC}

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	2026-05-18T00:12:59.359836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

232fd012d99b8b7067fecf5ddfae9770aa290402e50f91a8864d5bd43f8c5a2c

Aliases

arxiv: 1806.06713 · arxiv_version: 1806.06713v1 · doi: 10.48550/arxiv.1806.06713 · pith_short_12: EMX5AEWZTOFX · pith_short_16: EMX5AEWZTOFXAZ76 · pith_short_8: EMX5AEWZ

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/EMX5AEWZTOFXAZ76Z5O57LUXOC \
  | 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: 232fd012d99b8b7067fecf5ddfae9770aa290402e50f91a8864d5bd43f8c5a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6975e0894688d6378c8b0e8ce4411cac99005653f4be871a9734e5aef08b57ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-15T11:17:50Z",
    "title_canon_sha256": "c0e120cc03b45fa88fbc64cee7978988de96f18ccaf5a1ecd2890e0258eb4d77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06713",
    "kind": "arxiv",
    "version": 1
  }
}