Pith Number

pith:2GIYWUE5

pith:2018:2GIYWUE5XQRC3E5JDS2QEATW35

not attested not anchored not stored refs pending

AtDelfi: Automatically Designing Legible, Full Instructions For Games

Ahmed Khalifa, Andy Nealen, Gabriella A.B. Barros, Julian Togelius, Michael Cerny Green, Tiago Machado

arxiv:1807.04375 v2 · 2018-07-11 · 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{2GIYWUE5XQRC3E5JDS2QEATW35}

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	2026-05-18T00:05:30.443363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1918b509dbc222d93a91cb5020276df5dfd3f12afac458315114971a1ebf75c

Aliases

arxiv: 1807.04375 · arxiv_version: 1807.04375v2 · doi: 10.48550/arxiv.1807.04375 · pith_short_12: 2GIYWUE5XQRC · pith_short_16: 2GIYWUE5XQRC3E5J · pith_short_8: 2GIYWUE5

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/2GIYWUE5XQRC3E5JDS2QEATW35 \
  | 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: d1918b509dbc222d93a91cb5020276df5dfd3f12afac458315114971a1ebf75c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7806f9d52f1fca6c0bbf14d2e2029a29d2cce4781859a96902cc5c8dd6b99c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-07-11T23:02:43Z",
    "title_canon_sha256": "97e36129a1de7b82637b3d7f4f7d6bae7c1d0d48dffc2e891f815e7b667f0928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04375",
    "kind": "arxiv",
    "version": 2
  }
}