Pith Number

pith:G5CROCQS

pith:2019:G5CROCQST2XQF2UMTJDEWKBPHU

not attested not anchored not stored refs pending

Ludii and XCSP: Playing and Solving Logic Puzzles

Cameron Browne, C\'edric Piette, Dennis J. N. J. Soemers, \'Eric Piette, Matthew Stephenson

arxiv:1907.00245 v1 · 2019-06-29 · 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{G5CROCQST2XQF2UMTJDEWKBPHU}

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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.

Cited by

1 paper in Pith

Ludii and XCSP: Playing and Solving Logic Puzzles

Receipt and verification

First computed	2026-05-17T23:41:52.366244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3745170a129eaf02ea8c9a464b282f3d37138addcab49405132d8eeae45dea88

Aliases

arxiv: 1907.00245 · arxiv_version: 1907.00245v1 · doi: 10.48550/arxiv.1907.00245 · pith_short_12: G5CROCQST2XQ · pith_short_16: G5CROCQST2XQF2UM · pith_short_8: G5CROCQS

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/G5CROCQST2XQF2UMTJDEWKBPHU \
  | 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: 3745170a129eaf02ea8c9a464b282f3d37138addcab49405132d8eeae45dea88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef0e42c7611ffa44aa7db1aa0173df8d514bca95417d3a4f18776e4a0d853e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-06-29T17:28:27Z",
    "title_canon_sha256": "242958d4ab72ad00f60f46b16c334cbc48baaccf4e3b85f3e479247b4b4fa4be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00245",
    "kind": "arxiv",
    "version": 1
  }
}