Pith Number

pith:CA3Z2WVL

pith:2014:CA3Z2WVLRXLFUFGW6WYIVPWSYN

not attested not anchored not stored refs pending

Solution to a problem of Bollob\'as and H\"aggkvist on Hamilton cycles in regular graphs

Allan Lo, Daniela K\"uhn, Deryk Osthus, Katherine Staden

arxiv:1402.4754 v2 · 2014-02-19 · 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{CA3Z2WVLRXLFUFGW6WYIVPWSYN}

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	2026-05-18T01:21:16.334441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10379d5aab8dd65a14d6f5b08abed2c34a7d1c63d523c92fd3850f152ccb3e27

Aliases

arxiv: 1402.4754 · arxiv_version: 1402.4754v2 · doi: 10.48550/arxiv.1402.4754 · pith_short_12: CA3Z2WVLRXLF · pith_short_16: CA3Z2WVLRXLFUFGW · pith_short_8: CA3Z2WVL

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/CA3Z2WVLRXLFUFGW6WYIVPWSYN \
  | 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: 10379d5aab8dd65a14d6f5b08abed2c34a7d1c63d523c92fd3850f152ccb3e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "775bc23c49400a7de3a5e9ddd545973fc81f7d05132dcbd5367117b5ccc7ea7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-19T18:18:16Z",
    "title_canon_sha256": "6a0cb0cacd519db441728d16a0523cfeda155af449222ee477678940cc7f3143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4754",
    "kind": "arxiv",
    "version": 2
  }
}