Pith Number

pith:Z5DIP5CV

pith:2014:Z5DIP5CV5SIE3HGMFV7BF272CO

not attested not anchored not stored refs pending

Ore-degree threshold for the square of a Hamiltonian cycle

Imdadullah Khan, Louis DeBiasio, Safi Faizullah

arxiv:1403.0776 v2 · 2014-03-04 · 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{Z5DIP5CV5SIE3HGMFV7BF272CO}

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	2026-05-18T02:29:53.669608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf4687f455ec904d9ccc2d7e12ebfa13a4f92690fd5ffc507493e561d2a8a646

Aliases

arxiv: 1403.0776 · arxiv_version: 1403.0776v2 · doi: 10.48550/arxiv.1403.0776 · pith_short_12: Z5DIP5CV5SIE · pith_short_16: Z5DIP5CV5SIE3HGM · pith_short_8: Z5DIP5CV

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/Z5DIP5CV5SIE3HGMFV7BF272CO \
  | 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: cf4687f455ec904d9ccc2d7e12ebfa13a4f92690fd5ffc507493e561d2a8a646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c65ae0b00aa4591cc35ea78a4e4de56e0ffc46070d369be2d342e812f437b068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-04T13:06:00Z",
    "title_canon_sha256": "6c49386bbd2ae6976523ab4cc3d7eb59cb9f3e63645e7ea5c8138a69b299f0b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0776",
    "kind": "arxiv",
    "version": 2
  }
}