Pith Number

pith:QFWGH2RX

pith:2012:QFWGH2RXNTERHBUQOLHW4Q6HDF

not attested not anchored not stored refs pending

Rainbow matchings and partial transversals of Latin squares

Andras Gyarfas, Gabor N. Sarkozy

arxiv:1208.5670 v1 · 2012-08-28 · 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{QFWGH2RXNTERHBUQOLHW4Q6HDF}

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	2026-05-18T03:46:58.088966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816c63ea376cc913869072cf6e43c7197a0b2b9df8db99a06ccc80398dc50244

Aliases

arxiv: 1208.5670 · arxiv_version: 1208.5670v1 · doi: 10.48550/arxiv.1208.5670 · pith_short_12: QFWGH2RXNTER · pith_short_16: QFWGH2RXNTERHBUQ · pith_short_8: QFWGH2RX

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/QFWGH2RXNTERHBUQOLHW4Q6HDF \
  | 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: 816c63ea376cc913869072cf6e43c7197a0b2b9df8db99a06ccc80398dc50244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7953f0adfb1bde661d4414cb4cf445292b635655e3af37f2b47525cef7da122",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-28T14:05:43Z",
    "title_canon_sha256": "235bc9b13f4c79d353de87e2ca219e5efc4e5b01dfddba09b4048877cbc747c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5670",
    "kind": "arxiv",
    "version": 1
  }
}