Pith Number

pith:OWRXTJIA

pith:2011:OWRXTJIAJMYRR3CID7DOKVW5W4

not attested not anchored not stored refs pending

A Quantum Analogue of Parrondo's Game

Clement Ampadu

arxiv:1104.5275 v5 · 2011-04-28 · quant-ph · 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{OWRXTJIAJMYRR3CID7DOKVW5W4}

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	2026-05-18T04:14:37.859349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a379a5004b3118ec481fc6e556ddb7162ce487d9a8adcdba1da162e694f952

Aliases

arxiv: 1104.5275 · arxiv_version: 1104.5275v5 · doi: 10.48550/arxiv.1104.5275 · pith_short_12: OWRXTJIAJMYR · pith_short_16: OWRXTJIAJMYRR3CI · pith_short_8: OWRXTJIA

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/OWRXTJIAJMYRR3CID7DOKVW5W4 \
  | 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: 75a379a5004b3118ec481fc6e556ddb7162ce487d9a8adcdba1da162e694f952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4faf7bee8ce3e2924bb996d7463b9e5ff7d4a3ac885303eb48a8ceda5467d44d",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-04-28T00:32:37Z",
    "title_canon_sha256": "3a4c0d6b8243fb97e6c3cbee1b9c6ee59c3fae57af461b9987efc2284acc6790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5275",
    "kind": "arxiv",
    "version": 5
  }
}