Pith Number

pith:XEYTQRAM

pith:2019:XEYTQRAMITPXJSXJJAAXG4Z6KX

not attested not anchored not stored refs pending

Building a Computer Mahjong Player via Deep Convolutional Neural Networks

Fuminori Okuya, Shiqi Gao, Yoshihiro Kawahara, Yoshimasa Tsuruoka

arxiv:1906.02146 v2 · 2019-06-05 · 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{XEYTQRAMITPXJSXJJAAXG4Z6KX}

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	2026-05-17T23:43:55.856516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93138440c44df74cae9480173733e55d36eda4eb2013128ca022d9377c95a18

Aliases

arxiv: 1906.02146 · arxiv_version: 1906.02146v2 · doi: 10.48550/arxiv.1906.02146 · pith_short_12: XEYTQRAMITPX · pith_short_16: XEYTQRAMITPXJSXJ · pith_short_8: XEYTQRAM

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/XEYTQRAMITPXJSXJJAAXG4Z6KX \
  | 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: b93138440c44df74cae9480173733e55d36eda4eb2013128ca022d9377c95a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7ea10a8ae7202ae3dad95f55910f52e9fac95fff5814f7a901c48a7d928af6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-06-05T17:07:08Z",
    "title_canon_sha256": "0cf0544d94308624041050c1515d651fe701fbe1c07efb9d8e79a2a58458b04d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02146",
    "kind": "arxiv",
    "version": 2
  }
}