Pith Number

pith:DPPLH74L

pith:2020:DPPLH74L4CQSYGLSWBMQWRZYE7

not attested not anchored not stored refs pending

Co-generation of game levels and game-playing agents

Aaron Dharna, Julian Togelius, L. B. Soros

arxiv:2007.08497 v2 · 2020-07-16 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPPLH74L4CQSYGLSWBMQWRZYE7}

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	2026-07-05T01:31:11.712046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdeb3ff8be0a12c1972b0590b473827fdf83046ec1c99bd824e03b76dd2757a

Aliases

arxiv: 2007.08497 · arxiv_version: 2007.08497v2 · doi: 10.48550/arxiv.2007.08497 · pith_short_12: DPPLH74L4CQS · pith_short_16: DPPLH74L4CQSYGLS · pith_short_8: DPPLH74L

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/DPPLH74L4CQSYGLSWBMQWRZYE7 \
  | 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: 1bdeb3ff8be0a12c1972b0590b473827fdf83046ec1c99bd824e03b76dd2757a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c533de41404ec1284983be0ed3868ef6284bbac9f2c48ab8fa5275e5cbaaa6a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-07-16T17:48:05Z",
    "title_canon_sha256": "7f5e3ced7bf8c9ee91332f557e442eb007d63935ee7f4063b789df41c0e2d7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08497",
    "kind": "arxiv",
    "version": 2
  }
}