Pith Number

pith:7SC3576R

pith:2011:7SC3576R2MUOZGDOIR3LMSRMFA

not attested not anchored not stored refs pending

Pairs of heavy subgraphs for Hamiltonicity of 2-connected graphs

Binlong Li, Shenggui Zhang, Ying Wang, Zden\v{e}k Ryj\'a\v{c}ek

arxiv:1109.4122 v1 · 2011-09-19 · 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{7SC3576R2MUOZGDOIR3LMSRMFA}

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	2026-05-18T04:12:45.174639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc85beffd1d328ec986e4476b64a2c283ca6443db0739ae2cbc4adfb07480734

Aliases

arxiv: 1109.4122 · arxiv_version: 1109.4122v1 · doi: 10.48550/arxiv.1109.4122 · pith_short_12: 7SC3576R2MUO · pith_short_16: 7SC3576R2MUOZGDO · pith_short_8: 7SC3576R

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/7SC3576R2MUOZGDOIR3LMSRMFA \
  | 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: fc85beffd1d328ec986e4476b64a2c283ca6443db0739ae2cbc4adfb07480734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bda4101320feec3e6983f197402e325d5124c6d90eae86af363519689818183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-09-19T18:54:19Z",
    "title_canon_sha256": "dc93f203fa1a9939fea183e44d0980d3fd01918ade25cf865af1a9394fcd4ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4122",
    "kind": "arxiv",
    "version": 1
  }
}