Pith Number

pith:G4N674OH

pith:2015:G4N674OHRL3P66Q76KVGX3EU6R

not attested not anchored not stored refs pending

A Semidefinite Programming Method for Integer Convex Quadratic Minimization

Jaehyun Park, Stephen Boyd

arxiv:1504.07672 v6 · 2015-04-28 · math.OC · 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{G4N674OHRL3P66Q76KVGX3EU6R}

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	2026-05-18T00:48:43.314756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

371beff1c78af6ff7a1ff2aa6bec94f45b1d192a75ac0d2697fa8ea85b529e8e

Aliases

arxiv: 1504.07672 · arxiv_version: 1504.07672v6 · doi: 10.48550/arxiv.1504.07672 · pith_short_12: G4N674OHRL3P · pith_short_16: G4N674OHRL3P66Q7 · pith_short_8: G4N674OH

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/G4N674OHRL3P66Q76KVGX3EU6R \
  | 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: 371beff1c78af6ff7a1ff2aa6bec94f45b1d192a75ac0d2697fa8ea85b529e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce52e5ff1b01301e70096fe244847a29acb75df48c1b040d221ee05c1b1ce3cc",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-28T22:07:02Z",
    "title_canon_sha256": "41221c76b2ed21f8e3f3d0b9d5b700c7de81c87376448a60e0ad2fa4d020d4b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07672",
    "kind": "arxiv",
    "version": 6
  }
}