Pith Number

pith:EO3OPU7D

pith:2016:EO3OPU7DQWJTHLEES6YEBLUZYX

not attested not anchored not stored refs pending

Heterogeneous Strategy Particle Swarm Optimization

Gang Yan, Wen-Bo Du, Wen Ying, Xian-Bin Cao, Yan-Bo Zhu

arxiv:1608.00138 v1 · 2016-07-30 · 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{EO3OPU7DQWJTHLEES6YEBLUZYX}

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	2026-05-18T01:10:13.724991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b6e7d3e3859333ac8497b040ae99c5e3b0f837a338fa9fad8e9b4c6be6150c

Aliases

arxiv: 1608.00138 · arxiv_version: 1608.00138v1 · doi: 10.48550/arxiv.1608.00138 · pith_short_12: EO3OPU7DQWJT · pith_short_16: EO3OPU7DQWJTHLEE · pith_short_8: EO3OPU7D

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/EO3OPU7DQWJTHLEES6YEBLUZYX \
  | 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: 23b6e7d3e3859333ac8497b040ae99c5e3b0f837a338fa9fad8e9b4c6be6150c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade80eac5b14c70603895bc3c522f3c5dab74b262bf84846d41c95f616d4f890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2016-07-30T16:06:18Z",
    "title_canon_sha256": "4d09414a1606fd9e96edfb50b53a597529254c75f1dd7b4b7e9af00a12fbdc22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00138",
    "kind": "arxiv",
    "version": 1
  }
}