Pith Number

pith:SJXO7J2U

pith:2018:SJXO7J2USNGPBP2C3GUIKJPWNV

not attested not anchored not stored refs pending

An Efficient Matheuristic for the Minimum-Weight Dominating Set Problem

Mayra Albuquerque, Thibaut Vidal

arxiv:1808.09809 v1 · 2018-08-28 · cs.AI · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJXO7J2USNGPBP2C3GUIKJPWNV}

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	2026-05-18T00:06:54.405006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926eefa754934cf0bf42d9a88525f66d5ce1b999dc7907807fd9410facadb837

Aliases

arxiv: 1808.09809 · arxiv_version: 1808.09809v1 · doi: 10.48550/arxiv.1808.09809 · pith_short_12: SJXO7J2USNGP · pith_short_16: SJXO7J2USNGPBP2C · pith_short_8: SJXO7J2U

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/SJXO7J2USNGPBP2C3GUIKJPWNV \
  | 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: 926eefa754934cf0bf42d9a88525f66d5ce1b999dc7907807fd9410facadb837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4550d268d2fd7a558b91a8c263aed2cf691ca89ce9edfb3c972929c46619de",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-08-28T17:13:17Z",
    "title_canon_sha256": "55e65a52043a66558e88667f79de9a641c0b201d10857bc0e45ef26ce1189efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09809",
    "kind": "arxiv",
    "version": 1
  }
}