Pith Number

pith:HFPY4UPL

pith:2018:HFPY4UPLMAQNBXRYGNYPPCE5U4

not attested not anchored not stored refs pending

Towards Game-based Metrics for Computational Co-creativity

Andy Nealen, Julian Togelius, Rodrigo Canaan, Stefan Menzel

arxiv:1809.09762 v1 · 2018-09-26 · 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{HFPY4UPLMAQNBXRYGNYPPCE5U4}

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	2026-05-18T00:04:43.729666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

395f8e51eb6020d0de383370f7889da730fe8175163c8a684a7688595bce20d5

Aliases

arxiv: 1809.09762 · arxiv_version: 1809.09762v1 · doi: 10.48550/arxiv.1809.09762 · pith_short_12: HFPY4UPLMAQN · pith_short_16: HFPY4UPLMAQNBXRY · pith_short_8: HFPY4UPL

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/HFPY4UPLMAQNBXRYGNYPPCE5U4 \
  | 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: 395f8e51eb6020d0de383370f7889da730fe8175163c8a684a7688595bce20d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335d5ce76efeaa0ac0760826ecfa82aad72b3e2c766d15f1d09f0fccbf106cad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-09-26T00:05:47Z",
    "title_canon_sha256": "ecf22eca77e3fd2072f1fce6c261c5f291a14ce78209ad58c7fc6b7c8513793c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09762",
    "kind": "arxiv",
    "version": 1
  }
}