Pith Number

pith:UWL4YWST

pith:2012:UWL4YWSTMDYTY4FEQUJ4AAP7WN

not attested not anchored not stored refs pending

Edge-clique graphs of cocktail parties have unbounded rankwidth

Ching-Hao Liu, Maw-Shang Chang, Ton Kloks

arxiv:1205.2483 v1 · 2012-05-11 · cs.DM · 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{UWL4YWSTMDYTY4FEQUJ4AAP7WN}

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	2026-05-18T03:55:55.367726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a597cc5a5360f13c70a48513c001ffb34d604b3084c7278d20323afe02521557

Aliases

arxiv: 1205.2483 · arxiv_version: 1205.2483v1 · doi: 10.48550/arxiv.1205.2483 · pith_short_12: UWL4YWSTMDYT · pith_short_16: UWL4YWSTMDYTY4FE · pith_short_8: UWL4YWST

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/UWL4YWSTMDYTY4FEQUJ4AAP7WN \
  | 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: a597cc5a5360f13c70a48513c001ffb34d604b3084c7278d20323afe02521557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aff989bd4aaaf72a54130f7141868aef2a8c243087036aca1f19092b4dd96eb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-05-11T11:12:11Z",
    "title_canon_sha256": "e189cd0af0875d2b9b073e4fa8a3f19f2abc88e2102dec2e67ec7474ae69fb80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2483",
    "kind": "arxiv",
    "version": 1
  }
}