Pith Number

pith:IBP3IWKS

pith:2012:IBP3IWKSWX67LYTBJSTMPAWTXL

not attested not anchored not stored refs pending

The Supermarket Game

Bruce Hajek, Jiaming Xu

arxiv:1202.2089 v2 · 2012-02-09 · cs.IT · cs.GT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBP3IWKSWX67LYTBJSTMPAWTXL}

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	2026-05-18T03:37:53.099747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405fb45952b5fdf5e2614ca6c782d3bafb7359717b2b745a646ed9c8ae274edf

Aliases

arxiv: 1202.2089 · arxiv_version: 1202.2089v2 · doi: 10.48550/arxiv.1202.2089 · pith_short_12: IBP3IWKSWX67 · pith_short_16: IBP3IWKSWX67LYTB · pith_short_8: IBP3IWKS

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/IBP3IWKSWX67LYTBJSTMPAWTXL \
  | 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: 405fb45952b5fdf5e2614ca6c782d3bafb7359717b2b745a646ed9c8ae274edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6186da7d998b2097431e15ed1197a59cbdca408330720817fef963b8d62112c",
    "cross_cats_sorted": [
      "cs.GT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-09T19:42:28Z",
    "title_canon_sha256": "ef0fa5f8740c77264ca92503481ed0e9e9de5521484f62c8ae6d29249d8ad0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2089",
    "kind": "arxiv",
    "version": 2
  }
}