Pith Number

pith:CGHPJAJ4

pith:2011:CGHPJAJ4X2Y4IDG4VLBDVHMFUI

not attested not anchored not stored refs pending

Measuring Intelligence through Games

Julian Togelius, J\"urgen Schmidhuber, Tom Schaul

arxiv:1109.1314 v1 · 2011-09-06 · 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{CGHPJAJ4X2Y4IDG4VLBDVHMFUI}

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	2026-05-18T04:13:55.993452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

118ef4813cbeb1c40cdcaac23a9d85a238bd32d48577f2eb9b4617922ea2cf40

Aliases

arxiv: 1109.1314 · arxiv_version: 1109.1314v1 · doi: 10.48550/arxiv.1109.1314 · pith_short_12: CGHPJAJ4X2Y4 · pith_short_16: CGHPJAJ4X2Y4IDG4 · pith_short_8: CGHPJAJ4

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/CGHPJAJ4X2Y4IDG4VLBDVHMFUI \
  | 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: 118ef4813cbeb1c40cdcaac23a9d85a238bd32d48577f2eb9b4617922ea2cf40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e43e4c18f27598908c833e6380f168fd28a8ebd66d3ace6a3b79a6cd1a54551f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-09-06T22:13:30Z",
    "title_canon_sha256": "10e6a4f98268de22769efa823e4916d85b9ae1642a3d26694499569ff176b7d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1314",
    "kind": "arxiv",
    "version": 1
  }
}