Pith Number

pith:V5VNIBFJ

pith:2021:V5VNIBFJRK46KLEIEDNHZNQBVA

not attested not anchored not stored refs pending

The $n$-queens problem

Candida Bowtell, Peter Keevash

arxiv:2109.08083 v1 · 2021-09-16 · 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{V5VNIBFJRK46KLEIEDNHZNQBVA}

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.

Cited by

5 papers in Pith

No-$(k+1)$-in-line problem for $k \geqslant 3$

The extensible no-$(k(n)+1)$-in-line problem

A QUBO Formulation for the Generalized LinkedIn Queens and Takuzu/Tango Game

Statistical mechanics of the $N$-queens problem

Receipt and verification

First computed	2026-07-05T03:15:05.005063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6ad404a98ab9e52c8820da7cb601a803bb0ad591df0f06d90a5b2e56b7b74a

Aliases

arxiv: 2109.08083 · arxiv_version: 2109.08083v1 · doi: 10.48550/arxiv.2109.08083 · pith_short_12: V5VNIBFJRK46 · pith_short_16: V5VNIBFJRK46KLEI · pith_short_8: V5VNIBFJ

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/V5VNIBFJRK46KLEIEDNHZNQBVA \
  | 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: af6ad404a98ab9e52c8820da7cb601a803bb0ad591df0f06d90a5b2e56b7b74a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5826ee10d32ee1b551f83dc6d9cef30aacd44fc635afccf107edc2e032178482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-09-16T16:16:56Z",
    "title_canon_sha256": "89d504945547729b8548190792dd17e3db42a462e5214157f8b6d68afe81c7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08083",
    "kind": "arxiv",
    "version": 1
  }
}