Pith Number

pith:4OGEXBUJ

pith:2014:4OGEXBUJZ67KW6QQTT7JDDXVQJ

not attested not anchored not stored refs pending

Nearly Optimal Minimax Tree Search?

Arie de Bruin, Aske Plaat, Jonathan Schaeffer, Wim Pijls

arxiv:1404.1518 v1 · 2014-04-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OGEXBUJZ67KW6QQTT7JDDXVQJ}

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	2026-05-18T02:54:46.091126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e38c4b8689cfbeab7a109cfe918ef5827a81aa7168cc2a906cb41a087905d518

Aliases

arxiv: 1404.1518 · arxiv_version: 1404.1518v1 · doi: 10.48550/arxiv.1404.1518 · pith_short_12: 4OGEXBUJZ67K · pith_short_16: 4OGEXBUJZ67KW6QQ · pith_short_8: 4OGEXBUJ

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/4OGEXBUJZ67KW6QQTT7JDDXVQJ \
  | 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: e38c4b8689cfbeab7a109cfe918ef5827a81aa7168cc2a906cb41a087905d518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8238ea8ae3e4a4371060d51098a5ff1626b8a7455ff2b1d2215e458720e6cd4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-04-05T20:13:58Z",
    "title_canon_sha256": "b87480b03a9843bef1aa46403ae8b0d1831d7db9ab90b53d45213b886e720699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1518",
    "kind": "arxiv",
    "version": 1
  }
}