Pith Number

pith:5FR5UTNJ

pith:2019:5FR5UTNJ3Z4F6IJIBF7E733Y5W

not attested not anchored not stored refs pending

A K-means-based Multi-subpopulation Particle Swarm Optimization for Neural Network Ensemble

Hui Yu

arxiv:1907.03743 v1 · 2019-06-12 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FR5UTNJ3Z4F6IJIBF7E733Y5W}

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	2026-05-17T23:41:13.901636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e963da4da9de785f2128097e4fef78edb7c9605358fece0a835a37d6d2026d37

Aliases

arxiv: 1907.03743 · arxiv_version: 1907.03743v1 · doi: 10.48550/arxiv.1907.03743 · pith_short_12: 5FR5UTNJ3Z4F · pith_short_16: 5FR5UTNJ3Z4F6IJI · pith_short_8: 5FR5UTNJ

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/5FR5UTNJ3Z4F6IJIBF7E733Y5W \
  | 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: e963da4da9de785f2128097e4fef78edb7c9605358fece0a835a37d6d2026d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a6041a2adf2bc40ed2c1f7d9817028303cda02377e79a6f06f014e8694e6b67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-06-12T11:30:38Z",
    "title_canon_sha256": "1dc2310afa146e7b09edea226569d49fcdae13727f7a2ed11e48a1434a62f1ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03743",
    "kind": "arxiv",
    "version": 1
  }
}