Pith Number

pith:EPO6CWDF

pith:2019:EPO6CWDFERD43Y7GG5KKVHPCTY

not attested not anchored not stored refs pending

Learning to play the Chess Variant Crazyhouse above World Champion Level with Deep Neural Networks and Human Data

Alena Beyer, Johannes Czech, Johannes F\"urnkranz, Kristian Kersting, Moritz Willig

arxiv:1908.06660 v2 · 2019-08-19 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPO6CWDFERD43Y7GG5KKVHPCTY}

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	2026-07-05T01:34:20.404293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23dde158652447cde3e63754aa9de29e04facd89054181afb030539d1bd3bf92

Aliases

arxiv: 1908.06660 · arxiv_version: 1908.06660v2 · doi: 10.48550/arxiv.1908.06660 · pith_short_12: EPO6CWDFERD4 · pith_short_16: EPO6CWDFERD43Y7G · pith_short_8: EPO6CWDF

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/EPO6CWDFERD43Y7GG5KKVHPCTY \
  | 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: 23dde158652447cde3e63754aa9de29e04facd89054181afb030539d1bd3bf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa0a3738822141b4393a0173c5bf094109ed63c2548add5ba43524b244fb14c0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-08-19T09:31:47Z",
    "title_canon_sha256": "b431ba45165234cc24a4136c083d41db52061d3e5a47dca050c94fdd1ed11c8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06660",
    "kind": "arxiv",
    "version": 2
  }
}