Pith Number

pith:SXIUCMA5

pith:2015:SXIUCMA5HMVWXVRAXBI62WIHLW

not attested not anchored not stored refs pending

Red-blue clique partitions and (1-1)-transversals

Andras Gyarfas, Jeno Lehel

arxiv:1509.03408 v1 · 2015-09-11 · 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{SXIUCMA5HMVWXVRAXBI62WIHLW}

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	2026-05-18T01:33:23.324231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d141301d3b2b6bd620b851ed59075d961383e0fb57d3dc12eb46c11a0cbe42

Aliases

arxiv: 1509.03408 · arxiv_version: 1509.03408v1 · doi: 10.48550/arxiv.1509.03408 · pith_short_12: SXIUCMA5HMVW · pith_short_16: SXIUCMA5HMVWXVRA · pith_short_8: SXIUCMA5

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/SXIUCMA5HMVWXVRAXBI62WIHLW \
  | 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: 95d141301d3b2b6bd620b851ed59075d961383e0fb57d3dc12eb46c11a0cbe42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e76a146525bb2a1193f4929086e13ed36efec887a2042a5c731baf22542f194",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-09-11T07:53:02Z",
    "title_canon_sha256": "4dc6dd7091f5b92a95141f284e357aeaa6c80d5a3743e76b17d0a8775633835d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03408",
    "kind": "arxiv",
    "version": 1
  }
}