Pith Number

pith:ZGPB4QYU

pith:2015:ZGPB4QYUFFHPNTXQ6NH55M3CUL

not attested not anchored not stored refs pending

A Revisit of Infinite Population Models for Evolutionary Algorithms on Continuous Optimization Problems

Bo Song, Victor O.K. Li

arxiv:1509.07946 v1 · 2015-09-26 · cs.NE · 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{ZGPB4QYUFFHPNTXQ6NH55M3CUL}

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	2026-05-18T01:31:55.063456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c99e1e4314294ef6cef0f34fdeb362a2f4b58d995c1e6429b9686fea35b99167

Aliases

arxiv: 1509.07946 · arxiv_version: 1509.07946v1 · doi: 10.48550/arxiv.1509.07946 · pith_short_12: ZGPB4QYUFFHP · pith_short_16: ZGPB4QYUFFHPNTXQ · pith_short_8: ZGPB4QYU

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/ZGPB4QYUFFHPNTXQ6NH55M3CUL \
  | 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: c99e1e4314294ef6cef0f34fdeb362a2f4b58d995c1e6429b9686fea35b99167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28480f2bc42f32abace254c623ce6753ae842aa2ab2c980c3c6c65d67ea6da07",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-09-26T05:36:00Z",
    "title_canon_sha256": "5d98625f3aea4613517b04edad41e2e6851a7793976019c1d470577c1f2f09ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07946",
    "kind": "arxiv",
    "version": 1
  }
}