Pith Number

pith:VQDWMVXF

pith:2026:VQDWMVXFJ6SLEGPEA2YXDMISJQ

not attested not anchored not stored refs pending

Mahjax: A GPU-Accelerated Mahjong Simulator for Reinforcement Learning in JAX

Eason Yu, Keigo Habara, Masashi Sugiyama, Shinri Okano, Soichiro Nishimori, Sotetsu Koyamada

arxiv:2605.20577 v1 · 2026-05-20 · 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{VQDWMVXFJ6SLEGPEA2YXDMISJQ}

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	2026-05-21T01:04:43.174822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac076656e54fa4b219e406b171b1124c0f44f69316b0b96db33c1daed48098f0

Aliases

arxiv: 2605.20577 · arxiv_version: 2605.20577v1 · doi: 10.48550/arxiv.2605.20577 · pith_short_12: VQDWMVXFJ6SL · pith_short_16: VQDWMVXFJ6SLEGPE · pith_short_8: VQDWMVXF

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/VQDWMVXFJ6SLEGPEA2YXDMISJQ \
  | 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: ac076656e54fa4b219e406b171b1124c0f44f69316b0b96db33c1daed48098f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e52c3f732a32e8c135360a462519a53fc09ee600138fac2c43a4a9f0296957",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-20T00:33:28Z",
    "title_canon_sha256": "538296858868080589c74bea083ae6d13e880be512870b8fc6f09d374f0c9050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20577",
    "kind": "arxiv",
    "version": 1
  }
}