pith. sign in
Pith Number

pith:Z5JCUVDA

pith:2014:Z5JCUVDARV2LJXYK6NRDWUPMTP
not attested not anchored not stored refs pending

Rook theoretic proofs of some identities related to Spivey's Bell number formula

Ken Joffaniel M. Gonzales, Richell O. Celeste, Roberto B. Corcino

arxiv:1410.0742 v4 · 2014-10-03 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Z5JCUVDARV2LJXYK6NRDWUPMTP}

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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 2026-05-18T01:23:08.843461Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cf522a54608d74b4df0af3623b51ec9bf58978582531eb57d08bc3cf96b04c73

Aliases

arxiv: 1410.0742 · arxiv_version: 1410.0742v4 · doi: 10.48550/arxiv.1410.0742 · pith_short_12: Z5JCUVDARV2L · pith_short_16: Z5JCUVDARV2LJXYK · pith_short_8: Z5JCUVDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z5JCUVDARV2LJXYK6NRDWUPMTP \
  | 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: cf522a54608d74b4df0af3623b51ec9bf58978582531eb57d08bc3cf96b04c73
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6860e1421ae2828ce6942e3f2d0bd8f7a71235730f4eea95aa3dc484e8c4bda1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-03T02:22:35Z",
    "title_canon_sha256": "88203a62bb947bfa4b5e469db4333c622f634924d286a75c15d8a61938cccbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0742",
    "kind": "arxiv",
    "version": 4
  }
}