Pith Number

pith:YD5NH6BI

pith:2014:YD5NH6BIQJHDNCKNWAVAFBPBCM

not attested not anchored not stored refs pending

Picker-Chooser fixed graph games

Dan Hefetz, Ma{\l}gorzata Bednarska-Bzd\c{e}ga, Tomasz {\L}uczak

arxiv:1402.7308 v2 · 2014-02-28 · 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{YD5NH6BIQJHDNCKNWAVAFBPBCM}

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	2026-05-18T01:23:58.940400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0fad3f828824e36894db02a0285e11303f95eb58dd818f66f28ffe32d34f28d

Aliases

arxiv: 1402.7308 · arxiv_version: 1402.7308v2 · doi: 10.48550/arxiv.1402.7308 · pith_short_12: YD5NH6BIQJHD · pith_short_16: YD5NH6BIQJHDNCKN · pith_short_8: YD5NH6BI

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/YD5NH6BIQJHDNCKNWAVAFBPBCM \
  | 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: c0fad3f828824e36894db02a0285e11303f95eb58dd818f66f28ffe32d34f28d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f51011e13b1b39e2a361ab50faee1ee2ee366d604d5c27f496665901ee317f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-28T16:30:49Z",
    "title_canon_sha256": "fbc5f998fa036452647d88c2ca620e5c9666d62ed2271e4acb0ed3fa46970bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7308",
    "kind": "arxiv",
    "version": 2
  }
}