Pith Number

pith:ZUDX3TPD

pith:2018:ZUDX3TPDTDINDVGV4HTEITTJT7

not attested not anchored not stored refs pending

Simultaneous Combinatorial Game Theory

Melissa Huggan, Paul Ottaway, Richard J. Nowakowski

arxiv:1810.02870 v1 · 2018-10-05 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUDX3TPDTDINDVGV4HTEITTJT7}

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	2026-05-18T00:04:00.080605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd077dcde398d0d1d4d5e1e6444e699fceaf7f7dc2177429aa2d9127402c5673

Aliases

arxiv: 1810.02870 · arxiv_version: 1810.02870v1 · doi: 10.48550/arxiv.1810.02870 · pith_short_12: ZUDX3TPDTDIN · pith_short_16: ZUDX3TPDTDINDVGV · pith_short_8: ZUDX3TPD

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/ZUDX3TPDTDINDVGV4HTEITTJT7 \
  | 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: cd077dcde398d0d1d4d5e1e6444e699fceaf7f7dc2177429aa2d9127402c5673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6345cfbe39e273d618b9ff26001421ecebef77eb100a2eed4cebb64258282e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-05T20:03:10Z",
    "title_canon_sha256": "4999bbf5292c8d83848683d4fdd35d8d750ac4ffc1305d2997e156fdaba42664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02870",
    "kind": "arxiv",
    "version": 1
  }
}