Pith Number

pith:WPUWSCAG

pith:2013:WPUWSCAGXUD3RI6EMC76OYM2OB

not attested not anchored not stored refs pending

Al-Jabar: A Mathematical Game of Strategy

Cyrus Hettle, Robert P. Schneider

arxiv:1310.5596 v2 · 2013-10-21 · math.HO · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPUWSCAGXUD3RI6EMC76OYM2OB}

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	2026-05-18T03:09:32.696360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e9690806bd07b8a3c460bfe7619a7057eebfdbdf7ba12bc4f8f0c12fc814d0

Aliases

arxiv: 1310.5596 · arxiv_version: 1310.5596v2 · doi: 10.48550/arxiv.1310.5596 · pith_short_12: WPUWSCAGXUD3 · pith_short_16: WPUWSCAGXUD3RI6E · pith_short_8: WPUWSCAG

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/WPUWSCAGXUD3RI6EMC76OYM2OB \
  | 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: b3e9690806bd07b8a3c460bfe7619a7057eebfdbdf7ba12bc4f8f0c12fc814d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68fbfb5a881aba9200d0fe8d9bd130e9aef4a978ca113380ca160be2914ca59d",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-10-21T15:44:10Z",
    "title_canon_sha256": "ca922262b3364b17e545fb163dbf504e5492a32c1a3e9286f7ffe672a8dab24a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5596",
    "kind": "arxiv",
    "version": 2
  }
}