Pith Number

pith:Y4YO7ZTU

pith:2016:Y4YO7ZTUTSGHFAHZMVNHK2Z7Y6

not attested not anchored not stored refs pending

Simplified Boardgames

Jakub Kowalski, Jakub Sutowicz, Marek Szyku{\l}a

arxiv:1606.02645 v2 · 2016-06-08 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4YO7ZTUTSGHFAHZMVNHK2Z7Y6}

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	2026-05-18T01:11:01.777220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c730efe6749c8c7280f9655a756b3fc793f1b222a02bb947796469408d46ef14

Aliases

arxiv: 1606.02645 · arxiv_version: 1606.02645v2 · doi: 10.48550/arxiv.1606.02645 · pith_short_12: Y4YO7ZTUTSGH · pith_short_16: Y4YO7ZTUTSGHFAHZ · pith_short_8: Y4YO7ZTU

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/Y4YO7ZTUTSGHFAHZMVNHK2Z7Y6 \
  | 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: c730efe6749c8c7280f9655a756b3fc793f1b222a02bb947796469408d46ef14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69042fcb7128ec37f26c1be461a85e8ed1c9ce9c63ac8356d3082e37c435127",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-06-08T17:29:17Z",
    "title_canon_sha256": "0ef018cb4d8ab4a6f4536c06d538d80af237ae2f5764b5b36503ac7f1c3e6288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02645",
    "kind": "arxiv",
    "version": 2
  }
}