Pith Number

pith:RB4YGIZH

pith:2023:RB4YGIZHV75QOXUTNZ6HCNQEBK

not attested not anchored not stored refs pending

Conflict Optimization for Binary CSP Applied to Minimum Partition into Plane Subgraphs and Graph Coloring

Aldo Gonzalez-Lorenzo, Benjamin Mom\`ege, Brandon Zhang, Da Wei Zheng, Florian Fontan, Guilherme D. da Fonseca, Jack Spalding-Jamieson, Lo\"ic Crombez, Luc Libralesso, Pascal Lafourcade, Yan Gerard

arxiv:2303.09632 v2 · 2023-03-16 · cs.CG · 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{RB4YGIZHV75QOXUTNZ6HCNQEBK}

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	2026-07-05T05:54:36.683435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8879832327affb075e936e7c7136040aabf4384d5dccdb5fbec10faa2c7f48d1

Aliases

arxiv: 2303.09632 · arxiv_version: 2303.09632v2 · doi: 10.48550/arxiv.2303.09632 · pith_short_12: RB4YGIZHV75Q · pith_short_16: RB4YGIZHV75QOXUT · pith_short_8: RB4YGIZH

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/RB4YGIZHV75QOXUTNZ6HCNQEBK \
  | 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: 8879832327affb075e936e7c7136040aabf4384d5dccdb5fbec10faa2c7f48d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf50c02dd213014a4d924d22d4c1241ae925892645ecb20d35a70e6ee2f56a3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2023-03-16T20:21:48Z",
    "title_canon_sha256": "3ac499e21500c4959e459b1c983cdcddde56d821e8078cf43e9021405f0d5d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.09632",
    "kind": "arxiv",
    "version": 2
  }
}