pith. sign in
Pith Number

pith:BAMZOLJN

pith:2013:BAMZOLJNX53P2QZYAFFXN7S234
not attested not anchored not stored refs pending

Cored Hypergraphs, Power Hypergraphs and Their Laplacian H-Eigenvalues

Jia-Yu Shao, Liqun Qi, Shenglong Hu

arxiv:1304.6839 v1 · 2013-04-25 · math.SP · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BAMZOLJNX53P2QZYAFFXN7S234}

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 2026-05-18T03:27:10.975861Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0819972d2dbf76fd4338014b76fe5adf32292354513bb1234d36c0b457f5fe4e

Aliases

arxiv: 1304.6839 · arxiv_version: 1304.6839v1 · doi: 10.48550/arxiv.1304.6839 · pith_short_12: BAMZOLJNX53P · pith_short_16: BAMZOLJNX53P2QZY · pith_short_8: BAMZOLJN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BAMZOLJNX53P2QZYAFFXN7S234 \
  | 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: 0819972d2dbf76fd4338014b76fe5adf32292354513bb1234d36c0b457f5fe4e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "541a978f5acd4551ddc960311f2643dca86be9b541e29e6a278da676c8d34967",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-04-25T09:18:53Z",
    "title_canon_sha256": "ddd450bc75396b6f416c90c8b56ff553f6bca74c41eac0b971121f8fe520c516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6839",
    "kind": "arxiv",
    "version": 1
  }
}