Pith Number

pith:V3CZZYOL

pith:2018:V3CZZYOL4ILRQUWUUIKXRDY2VZ

not attested not anchored not stored refs pending

Optimization-Based Bound Tightening using a Strengthened QC-Relaxation of the Optimal Power Flow Problem

Carleton Coffrin, Harsha Nagarajan, Kaarthik Sundar, Mowen Lu, Russell Bent, Sidhant Misra

arxiv:1809.04565 v3 · 2018-09-12 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3CZZYOL4ILRQUWUUIKXRDY2VZ}

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	2026-05-17T23:55:19.823974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec59ce1cbe2171852d4a215788f1aae52d0eb2930d18ecaf2c71ddb03ed4312

Aliases

arxiv: 1809.04565 · arxiv_version: 1809.04565v3 · doi: 10.48550/arxiv.1809.04565 · pith_short_12: V3CZZYOL4ILR · pith_short_16: V3CZZYOL4ILRQUWU · pith_short_8: V3CZZYOL

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/V3CZZYOL4ILRQUWUUIKXRDY2VZ \
  | 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: aec59ce1cbe2171852d4a215788f1aae52d0eb2930d18ecaf2c71ddb03ed4312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd05eda0f4f24b5bb9a65897c06dfbdc5f87b095009f8fb82cb1a0e442c97b0c",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-12T17:11:55Z",
    "title_canon_sha256": "d589b0e116aba2962feb734662027a682949f5c9397f629d8b8bf5d401b13723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04565",
    "kind": "arxiv",
    "version": 3
  }
}