Pith Number

pith:ECF6NHBW

pith:2018:ECF6NHBWEYF2N2JAQBT7TNH4C4

not attested not anchored not stored refs pending

Maximum cuts in edge-colored graphs

Ignasi Sau, Luerbio Faria, Rubens Sucupira, Sulamita Klein, U\'everton S. Souza

arxiv:1805.00858 v1 · 2018-05-02 · cs.DS · cs.CG · 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{ECF6NHBWEYF2N2JAQBT7TNH4C4}

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	2026-05-18T00:16:57.462850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208be69c36260ba6e9208067f9b4fc173d01ff0b40b7a7e079586fc0302598bb

Aliases

arxiv: 1805.00858 · arxiv_version: 1805.00858v1 · doi: 10.48550/arxiv.1805.00858 · pith_short_12: ECF6NHBWEYF2 · pith_short_16: ECF6NHBWEYF2N2JA · pith_short_8: ECF6NHBW

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/ECF6NHBWEYF2N2JAQBT7TNH4C4 \
  | 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: 208be69c36260ba6e9208067f9b4fc173d01ff0b40b7a7e079586fc0302598bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "472353351812b8c3c96d5767cdc0c767871969c81c76de9d6a0993973b793d11",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-02T15:08:53Z",
    "title_canon_sha256": "97f09c8d66535cfca1e0b1a28ce0de64ca44b54d44d3fbf13b085af87e4674f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00858",
    "kind": "arxiv",
    "version": 1
  }
}