Pith Number

pith:YWO4QP4A

pith:2011:YWO4QP4AOE7BZAJGELUKYVHUVX

not attested not anchored not stored refs pending

The Limiting Distribution of the Number of Block Pairs in Type B Set Partitions

David G. L. Wang

arxiv:1108.1264 v1 · 2011-08-05 · 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{YWO4QP4AOE7BZAJGELUKYVHUVX}

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	2026-05-18T04:16:11.300963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59dc83f80713e1c812622e8ac54f4add4cc781474123f4f7cfd5d381c495ac7

Aliases

arxiv: 1108.1264 · arxiv_version: 1108.1264v1 · doi: 10.48550/arxiv.1108.1264 · pith_short_12: YWO4QP4AOE7B · pith_short_16: YWO4QP4AOE7BZAJG · pith_short_8: YWO4QP4A

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/YWO4QP4AOE7BZAJGELUKYVHUVX \
  | 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: c59dc83f80713e1c812622e8ac54f4add4cc781474123f4f7cfd5d381c495ac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71eac2b1da5d8ca324ac3d228713175407325409b3f1b6c5be692277cbd41efe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-05T07:32:11Z",
    "title_canon_sha256": "ec27b1e684be3d5f854c43dcc9984f2df92215ad218970279ffb450308271853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1264",
    "kind": "arxiv",
    "version": 1
  }
}