Pith Number

pith:LIC4N75I

pith:2019:LIC4N75IHF55FW6RREH5IL5LQC

not attested not anchored not stored refs pending

Snackjack: A toy model of blackjack

Jiyeon Lee, Stewart N. Ethier

arxiv:1906.01220 v1 · 2019-06-04 · math.PR · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIC4N75IHF55FW6RREH5IL5LQC}

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	2026-05-17T23:44:17.478354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a05c6ffa8397bd2dbd1890fd42fab809dd71f17da43699e1e72cb466a62bcd8

Aliases

arxiv: 1906.01220 · arxiv_version: 1906.01220v1 · doi: 10.48550/arxiv.1906.01220 · pith_short_12: LIC4N75IHF55 · pith_short_16: LIC4N75IHF55FW6R · pith_short_8: LIC4N75I

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/LIC4N75IHF55FW6RREH5IL5LQC \
  | 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: 5a05c6ffa8397bd2dbd1890fd42fab809dd71f17da43699e1e72cb466a62bcd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1afa596f0fe703b0a670b7850a2c670c461f1e0fb7e9555c687f32b4ff02765",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-06-04T06:32:52Z",
    "title_canon_sha256": "21f678e5405e952b8465cf70a70a9549ac9208ccf3f5dd983e2d50defaf835d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01220",
    "kind": "arxiv",
    "version": 1
  }
}