Pith Number

pith:5VEOL6JI

pith:2018:5VEOL6JIWZPLI5WO7WQRECBST3

not attested not anchored not stored refs pending

Cartesian Magicness of 3-Dimensional Boards

Gee-Choon Lau, Ho-Kuen Ng, Wai-Chee Shiu

arxiv:1805.04890 v3 · 2018-05-13 · 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{5VEOL6JIWZPLI5WO7WQRECBST3}

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	2026-05-18T00:07:17.601820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed48e5f928b65eb476cefda11208329eedb5b5f284b3d0c8affdc5c00062ea39

Aliases

arxiv: 1805.04890 · arxiv_version: 1805.04890v3 · doi: 10.48550/arxiv.1805.04890 · pith_short_12: 5VEOL6JIWZPL · pith_short_16: 5VEOL6JIWZPLI5WO · pith_short_8: 5VEOL6JI

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/5VEOL6JIWZPLI5WO7WQRECBST3 \
  | 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: ed48e5f928b65eb476cefda11208329eedb5b5f284b3d0c8affdc5c00062ea39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3867204d32505fc423428bfd988a94764dd468b1497bd353ba19fe5d5615cda4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-13T14:04:00Z",
    "title_canon_sha256": "18e1a52ece2cc3d6ebc281f90adf7cdbee708ef893f7602935336da1a5bdca93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04890",
    "kind": "arxiv",
    "version": 3
  }
}