Pith Number

pith:6T3E56UW

pith:2013:6T3E56UWX36BUUJXHWTSORWS3P

not attested not anchored not stored refs pending

Gardner's Minichess Variant is solved

Frederic Prost, Mehdi Mhalla

arxiv:1307.7118 v1 · 2013-07-26 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6T3E56UWX36BUUJXHWTSORWS3P}

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	2026-05-18T03:17:25.313333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f64efa96befc1a51373da72746d2dbd74e51628da3dd4bba4155ac8663aa1e

Aliases

arxiv: 1307.7118 · arxiv_version: 1307.7118v1 · doi: 10.48550/arxiv.1307.7118 · pith_short_12: 6T3E56UWX36B · pith_short_16: 6T3E56UWX36BUUJX · pith_short_8: 6T3E56UW

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/6T3E56UWX36BUUJXHWTSORWS3P \
  | 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: f4f64efa96befc1a51373da72746d2dbd74e51628da3dd4bba4155ac8663aa1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0264e27d65edce65eb9b4ff75703fea8ea688699336b601fe8b11d86f4a6afe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-07-26T18:11:38Z",
    "title_canon_sha256": "e903642ccd2c2ce77e0736b694ae7848387a4a7c5241d5fe1d88d0b2e5e81f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7118",
    "kind": "arxiv",
    "version": 1
  }
}