Pith Number

pith:4FU4KK4V

pith:2019:4FU4KK4V4VMRJPUOY4XLWMLA43

not attested not anchored not stored refs pending

Novel Approach Towards Global Optimality of Optimal Power Flow Using Quadratic Convex Optimization

Am\'elie Lambert (CEDRIC), Hadrien Godard (CEDRIC - OC, Jean Maeght, Manuel Ruiz (G-SCOP_OC), Sourour Elloumi (CEDRIC), UMA)

arxiv:1903.05390 v1 · 2019-03-13 · math.OC · cs.CE · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FU4KK4V4VMRJPUOY4XLWMLA43}

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	2026-05-17T23:51:24.420582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e169c52b95e55914be8ec72ebb3160e6ef387bbcb152e10e15bef8808aa2aba9

Aliases

arxiv: 1903.05390 · arxiv_version: 1903.05390v1 · doi: 10.48550/arxiv.1903.05390 · pith_short_12: 4FU4KK4V4VMR · pith_short_16: 4FU4KK4V4VMRJPUO · pith_short_8: 4FU4KK4V

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/4FU4KK4V4VMRJPUOY4XLWMLA43 \
  | 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: e169c52b95e55914be8ec72ebb3160e6ef387bbcb152e10e15bef8808aa2aba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436fa9e9ec289c727266bc2fb5dec67b2800f2f596a85c854a437d71d8f84511",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-13T10:18:20Z",
    "title_canon_sha256": "d9b947c9455201381f8bd3771cd35f24945ffac6907e9293dac07efe2478bec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05390",
    "kind": "arxiv",
    "version": 1
  }
}