Pith Number

pith:NRWDQ3T2

pith:2019:NRWDQ3T2XFND3PMA4G4CPSYJJJ

not attested not anchored not stored refs pending

Pitako -- Recommending Game Design Elements in Cicero

Andy Nealen, Dan Gopstein, Julian Togelius, Tiago Machado

arxiv:1907.03877 v1 · 2019-07-08 · cs.HC · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRWDQ3T2XFND3PMA4G4CPSYJJJ}

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	2026-05-17T23:41:06.495299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c6c386e7ab95a3dbd80e1b827cb094a75da7f5098e84be20e9de6f587e7067b

Aliases

arxiv: 1907.03877 · arxiv_version: 1907.03877v1 · doi: 10.48550/arxiv.1907.03877 · pith_short_12: NRWDQ3T2XFND · pith_short_16: NRWDQ3T2XFND3PMA · pith_short_8: NRWDQ3T2

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/NRWDQ3T2XFND3PMA4G4CPSYJJJ \
  | 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: 6c6c386e7ab95a3dbd80e1b827cb094a75da7f5098e84be20e9de6f587e7067b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7ac2b2609c76316cf35052a955bb81a3c70dc695c895c22d9a0ec0b2ba8fd36",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-07-08T21:19:25Z",
    "title_canon_sha256": "ef5d5c45ea6eec02bc403c55b06b6a0741652323a9a7c2f3222b07051e0f60f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03877",
    "kind": "arxiv",
    "version": 1
  }
}