Pith Number

pith:T4NPM6QK

pith:2010:T4NPM6QKIJVUL6FKDIWBO62WVG

not attested not anchored not stored refs pending

The potential to improve the choice: list conflict-free coloring for geometric hypergraphs

Marek Sulovsk\'y, Panagiotis Cheilaris, Shakhar Smorodinsky

arxiv:1005.5520 v3 · 2010-05-30 · math.CO · cs.CG · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4NPM6QKIJVUL6FKDIWBO62WVG}

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	2026-05-18T04:33:29.193280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f1af67a0a426b45f8aa1a2c177b56a99568b1974a153fe9189757f4c51fa309

Aliases

arxiv: 1005.5520 · arxiv_version: 1005.5520v3 · doi: 10.48550/arxiv.1005.5520 · pith_short_12: T4NPM6QKIJVU · pith_short_16: T4NPM6QKIJVUL6FK · pith_short_8: T4NPM6QK

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/T4NPM6QKIJVUL6FKDIWBO62WVG \
  | 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: 9f1af67a0a426b45f8aa1a2c177b56a99568b1974a153fe9189757f4c51fa309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40285cf6c04400b9e3344bb36b8b3e60397331956af06cc91257d8497f5597b",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-05-30T12:08:16Z",
    "title_canon_sha256": "abc1ea90d782aa3f4298d46886055d9c7afe57ef39dcf9ee4b2b26119dbf243d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5520",
    "kind": "arxiv",
    "version": 3
  }
}