Pith Number

pith:QVOSIJNC

pith:2018:QVOSIJNCXXM76HLBWOCQ6PLZES

not attested not anchored not stored refs pending

Strong Formulations for Quadratic Optimization with M-matrices and Indicator Variables

Alper Atamturk, Andres Gomez

arxiv:1804.05284 v1 · 2018-04-14 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVOSIJNCXXM76HLBWOCQ6PLZES}

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	2026-05-18T00:18:28.418988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

855d2425a2bdd9ff1d61b3850f3d7924b6fecec5629f031785257476aa430d39

Aliases

arxiv: 1804.05284 · arxiv_version: 1804.05284v1 · doi: 10.48550/arxiv.1804.05284 · pith_short_12: QVOSIJNCXXM7 · pith_short_16: QVOSIJNCXXM76HLB · pith_short_8: QVOSIJNC

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/QVOSIJNCXXM76HLBWOCQ6PLZES \
  | 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: 855d2425a2bdd9ff1d61b3850f3d7924b6fecec5629f031785257476aa430d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "259b66d32301a9755498162bd8131221a11d90f2828f4b07db48aba7d31f99ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-14T22:33:55Z",
    "title_canon_sha256": "e3c62424b86f3f2794f7b9121b782b42a09dee03b9784221703d4bfd041f27e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05284",
    "kind": "arxiv",
    "version": 1
  }
}