Pith Number

pith:BXNPSZXQ

pith:2017:BXNPSZXQQGC7DMJLPUXYNZNNGM

not attested not anchored not stored refs pending

New Integer Linear Programming Models for the Vertex Coloring Problem

Adalat Jabrayilov, Petra Mutzel

arxiv:1706.10191 v2 · 2017-06-30 · 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{BXNPSZXQQGC7DMJLPUXYNZNNGM}

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	2026-05-18T00:40:29.820631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ddaf966f08185f1b12b7d2f86e5ad33267e04b473a9adc6284bfc47779582c8

Aliases

arxiv: 1706.10191 · arxiv_version: 1706.10191v2 · doi: 10.48550/arxiv.1706.10191 · pith_short_12: BXNPSZXQQGC7 · pith_short_16: BXNPSZXQQGC7DMJL · pith_short_8: BXNPSZXQ

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/BXNPSZXQQGC7DMJLPUXYNZNNGM \
  | 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: 0ddaf966f08185f1b12b7d2f86e5ad33267e04b473a9adc6284bfc47779582c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0058b8e098295a1fa91a098db12ab3560757a32bcee1bf90ddaffa6289757c4b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-06-30T13:37:16Z",
    "title_canon_sha256": "97f35135307c48c10ac10b077c5c88c20193421a6ea0c4d72196fd834cc29411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10191",
    "kind": "arxiv",
    "version": 2
  }
}