Pith Number

pith:DEVU6G2U

pith:2018:DEVU6G2UBRTQ4QLGOGNJR5M5U4

not attested not anchored not stored refs pending

On the Expected Value of the Maximal Bet in the Labouchere System

Nina Zubrilina

arxiv:1808.06642 v2 · 2018-08-20 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEVU6G2UBRTQ4QLGOGNJR5M5U4}

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	2026-05-18T00:07:05.341587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

192b4f1b540c670e4166719a98f59da717d5a2179747b9b88152cbae34172e62

Aliases

arxiv: 1808.06642 · arxiv_version: 1808.06642v2 · doi: 10.48550/arxiv.1808.06642 · pith_short_12: DEVU6G2UBRTQ · pith_short_16: DEVU6G2UBRTQ4QLG · pith_short_8: DEVU6G2U

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/DEVU6G2UBRTQ4QLGOGNJR5M5U4 \
  | 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: 192b4f1b540c670e4166719a98f59da717d5a2179747b9b88152cbae34172e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6cc80057d4ed4b6d838c95421bec6a2f5e2eee853523b3a7e6313c61cb6796",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-08-20T18:33:16Z",
    "title_canon_sha256": "79c54be4d5309d5008a6d5198da95f84de56f4ed19dda51fd500b6643d9a7ec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06642",
    "kind": "arxiv",
    "version": 2
  }
}