Pith Number

pith:4G2ORQ3X

pith:2017:4G2ORQ3X7MHC6FWMPXHJQI562A

not attested not anchored not stored refs pending

Convex Hull of the Quadratic Branch AC Power Flow Equations and Its Application in Radial Distribution Networks

Qifeng Li, Vijay Vittal

arxiv:1701.07146 v1 · 2017-01-25 · 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{4G2ORQ3X7MHC6FWMPXHJQI562A}

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	2026-05-18T00:52:07.382245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b4e8c377fb0e2f16cc7dce9823bed00ed93e5e09615be4207305c7f8b75958

Aliases

arxiv: 1701.07146 · arxiv_version: 1701.07146v1 · doi: 10.48550/arxiv.1701.07146 · pith_short_12: 4G2ORQ3X7MHC · pith_short_16: 4G2ORQ3X7MHC6FWM · pith_short_8: 4G2ORQ3X

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/4G2ORQ3X7MHC6FWMPXHJQI562A \
  | 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: e1b4e8c377fb0e2f16cc7dce9823bed00ed93e5e09615be4207305c7f8b75958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8848832904f1e6ac6e6372f722922bda5c7060b334aa71ac58fa2cd0ed9380b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-01-25T02:38:39Z",
    "title_canon_sha256": "cc1cb89419b2746d07d8f5899dbdd0344dcc7ae3cec1315aaed8cba965c5f577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07146",
    "kind": "arxiv",
    "version": 1
  }
}