Pith Number

pith:BXNJSIOI

pith:2014:BXNJSIOIZ347FOY2IQV4CU44YS

not attested not anchored not stored refs pending

Towards a q-analogue of the Harer-Zagier formula via rook placements

Max Wimberley

arxiv:1412.3182 v1 · 2014-12-10 · 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{BXNJSIOIZ347FOY2IQV4CU44YS}

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	2026-05-18T02:31:37.322834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dda9921c8cef9f2bb1a442bc1539cc4a889baca98fa3448919f4fc7ddf8db25

Aliases

arxiv: 1412.3182 · arxiv_version: 1412.3182v1 · doi: 10.48550/arxiv.1412.3182 · pith_short_12: BXNJSIOIZ347 · pith_short_16: BXNJSIOIZ347FOY2 · pith_short_8: BXNJSIOI

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/BXNJSIOIZ347FOY2IQV4CU44YS \
  | 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: 0dda9921c8cef9f2bb1a442bc1539cc4a889baca98fa3448919f4fc7ddf8db25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c55528eee029066d4eadbc375d5bb3d81125edb9ec62c7bbc671650d90f5bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-10T02:39:42Z",
    "title_canon_sha256": "8fb3a71f963c06a6e6e46595a9f2621a58975eb2047a73ac1ac7a4c6d7c73222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3182",
    "kind": "arxiv",
    "version": 1
  }
}