Pith Number

pith:6F7ZLQK7

pith:2020:6F7ZLQK7VOVAILMWQ6HQ3DYEHF

not attested not anchored not stored refs pending

Real World Games Look Like Spinning Tops

Brendan Tracey, David Balduzzi, Gauthier Gidel, Karl Tuyls, Max Jaderberg, Shayegan Omidshafiei, Wojciech Marian Czarnecki

arxiv:2004.09468 v2 · 2020-04-20 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6F7ZLQK7VOVAILMWQ6HQ3DYEHF}

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	2026-07-05T01:10:59.451606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f17f95c15fabaa042d96878f0d8f0439461ca35553e9017ffcb320e81bf2ba4c

Aliases

arxiv: 2004.09468 · arxiv_version: 2004.09468v2 · doi: 10.48550/arxiv.2004.09468 · pith_short_12: 6F7ZLQK7VOVA · pith_short_16: 6F7ZLQK7VOVAILMW · pith_short_8: 6F7ZLQK7

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/6F7ZLQK7VOVAILMWQ6HQ3DYEHF \
  | 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: f17f95c15fabaa042d96878f0d8f0439461ca35553e9017ffcb320e81bf2ba4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57a4f07a0c06138de1b7134c4f20ce87addbe944df7d2b94809ce41d4872cf6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-20T17:41:42Z",
    "title_canon_sha256": "7fa4d0efb8763fe5922d8a2b32f9890b7ccc141444e5c75f36f405c599707271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09468",
    "kind": "arxiv",
    "version": 2
  }
}