Pith Number

pith:P3XPVBOH

pith:2018:P3XPVBOHFXRPAXCTCGAWGVUBFC

not attested not anchored not stored refs pending

Optimal Power Flow for AC/DC System Based on Cooperative Multi-objective Particle Swarm Optimization

Guoqing Li, Yahui Li, Yang Li

arxiv:1809.05232 v1 · 2018-09-14 · 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{P3XPVBOHFXRPAXCTCGAWGVUBFC}

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	2026-05-17T23:52:24.169033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eeefa85c72de2f05c5311816356812891506e68e36419afcdecd136f5175c1a

Aliases

arxiv: 1809.05232 · arxiv_version: 1809.05232v1 · doi: 10.48550/arxiv.1809.05232 · pith_short_12: P3XPVBOHFXRP · pith_short_16: P3XPVBOHFXRPAXCT · pith_short_8: P3XPVBOH

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/P3XPVBOHFXRPAXCTCGAWGVUBFC \
  | 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: 7eeefa85c72de2f05c5311816356812891506e68e36419afcdecd136f5175c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3557324eef05e2c8291be4c2c5cb7d631f515a586c9febc59e66f582a09d6c70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-14T02:47:12Z",
    "title_canon_sha256": "f7a78b85841cf927e67ec24c80a7469726a05ad848d6f8deb5fd0af129d559b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05232",
    "kind": "arxiv",
    "version": 1
  }
}