Pith Number

pith:R6WYSD2B

pith:2023:R6WYSD2BTMT45KVHOQHZ2PKRDA

not attested not anchored not stored refs pending

With a little help from your friends: semi-cooperative games via Joker moves

Marielle Stoelinga, Petra van den Bos

arxiv:2304.13417 v9 · 2023-04-26 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6WYSD2BTMT45KVHOQHZ2PKRDA}

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	2026-07-05T10:39:08.481606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fad890f419b27ceaaa7740f9d3d5118142c615694081222ebdc72ad3746bc57

Aliases

arxiv: 2304.13417 · arxiv_version: 2304.13417v9 · doi: 10.48550/arxiv.2304.13417 · pith_short_12: R6WYSD2BTMT4 · pith_short_16: R6WYSD2BTMT45KVH · pith_short_8: R6WYSD2B

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/R6WYSD2BTMT45KVHOQHZ2PKRDA \
  | 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: 8fad890f419b27ceaaa7740f9d3d5118142c615694081222ebdc72ad3746bc57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a08eddeaf197eb8916cfcbcc57012b91f5abda7b59db5fe494e291156b58b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2023-04-26T09:56:02Z",
    "title_canon_sha256": "8857eb5513cf6489449fcbdf070e3a0acbf78dcceef8257ff64d89f6d6ec413a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.13417",
    "kind": "arxiv",
    "version": 9
  }
}