Pith Number

pith:OZCPMK4P

pith:2018:OZCPMK4PU2QDIJTZA2JUDKBT2D

not attested not anchored not stored refs pending

Global Solutions of Nonconvex Standard Quadratic Programs via Mixed Integer Linear Programming Reformulations

E. Alper Yildirim, Jacek Gondzio

arxiv:1810.02307 v1 · 2018-10-04 · 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{OZCPMK4PU2QDIJTZA2JUDKBT2D}

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	2026-05-18T00:04:05.656655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7644f62b8fa6a0342679069341a833d0e060085a771bd754bd8f6dcf24ed2459

Aliases

arxiv: 1810.02307 · arxiv_version: 1810.02307v1 · doi: 10.48550/arxiv.1810.02307 · pith_short_12: OZCPMK4PU2QD · pith_short_16: OZCPMK4PU2QDIJTZ · pith_short_8: OZCPMK4P

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/OZCPMK4PU2QDIJTZA2JUDKBT2D \
  | 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: 7644f62b8fa6a0342679069341a833d0e060085a771bd754bd8f6dcf24ed2459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b5f9128c69fc5d27490081a9c43bcf6a6bd7b334fb8439f55b705791ba3623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-04T16:42:46Z",
    "title_canon_sha256": "9398d86eaad203a0d2a87855df46d2afa5b9128f40222defa0b61043874d79c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02307",
    "kind": "arxiv",
    "version": 1
  }
}