Pith Number

pith:BFFR43E5

pith:2022:BFFR43E5SVJM2MSUAHCDO45BWG

not attested not anchored not stored refs pending

DouZero+: Improving DouDizhu AI by Opponent Modeling and Coach-guided Learning

Houqiang Li, Jian Zhao, Wengang Zhou, Xunhan Hu, Youpeng Zhao

arxiv:2204.02558 v1 · 2022-04-06 · 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{BFFR43E5SVJM2MSUAHCDO45BWG}

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	2026-07-05T04:12:09.676487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094b1e6c9d9552cd325401c43773a1b1bf6c16d26d57beaa56a9c42749ed83ed

Aliases

arxiv: 2204.02558 · arxiv_version: 2204.02558v1 · doi: 10.48550/arxiv.2204.02558 · pith_short_12: BFFR43E5SVJM · pith_short_16: BFFR43E5SVJM2MSU · pith_short_8: BFFR43E5

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/BFFR43E5SVJM2MSUAHCDO45BWG \
  | 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: 094b1e6c9d9552cd325401c43773a1b1bf6c16d26d57beaa56a9c42749ed83ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8b2f769060bc5fd140e2b75208c18aaea8775cea725d039d44a8190d5c1a9d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-04-06T03:18:17Z",
    "title_canon_sha256": "8b2de8ea210dcf5415c67c53ab64c3d7d32bf4df8d5afe28c2636f9caf5e1d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02558",
    "kind": "arxiv",
    "version": 1
  }
}