Pith Number

pith:POFGHZS3

pith:2018:POFGHZS3JOGVODPGNCIMB4SOFJ

not attested not anchored not stored refs pending

Particle Swarm Optimization: A survey of historical and recent developments with hybridization perspectives

Richard Alan Peters II, Sanchita Basak, Saptarshi Sengupta

arxiv:1804.05319 v2 · 2018-04-15 · 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{POFGHZS3JOGVODPGNCIMB4SOFJ}

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	2026-05-17T23:56:58.572669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8a63e65b4b8d570de66890c0f24e2a78ffbcb63799fe2111178611b18cacda

Aliases

arxiv: 1804.05319 · arxiv_version: 1804.05319v2 · doi: 10.48550/arxiv.1804.05319 · pith_short_12: POFGHZS3JOGV · pith_short_16: POFGHZS3JOGVODPG · pith_short_8: POFGHZS3

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/POFGHZS3JOGVODPGNCIMB4SOFJ \
  | 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: 7b8a63e65b4b8d570de66890c0f24e2a78ffbcb63799fe2111178611b18cacda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2c42558ff822fb948b9f6329cd2644a63196c881cc40c0b4cbcd5fbee0f0b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-15T08:26:19Z",
    "title_canon_sha256": "f2207320715a48121fd42e5c575978e2b7b31a67aa04f1425b9a11a94aa2a169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05319",
    "kind": "arxiv",
    "version": 2
  }
}