Pith Number

pith:QZ5XGRGE

pith:2019:QZ5XGRGE6EURH2QXFDK445DL7J

not attested not anchored not stored refs pending

jMetalPy: a Python Framework for Multi-Objective Optimization with Metaheuristics

Antonio Benitez-Hidalgo, Antonio J. Nebro, Izaskun Oregi, Javier Del Ser, Jose Garcia-Nieto

arxiv:1903.02915 v2 · 2019-03-07 · 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{QZ5XGRGE6EURH2QXFDK445DL7J}

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	2026-05-17T23:48:19.832094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867b7344c4f12913ea1728d5ce746bfa5df559668885643c514a44d49e1f73da

Aliases

arxiv: 1903.02915 · arxiv_version: 1903.02915v2 · doi: 10.48550/arxiv.1903.02915 · pith_short_12: QZ5XGRGE6EUR · pith_short_16: QZ5XGRGE6EURH2QX · pith_short_8: QZ5XGRGE

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/QZ5XGRGE6EURH2QXFDK445DL7J \
  | 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: 867b7344c4f12913ea1728d5ce746bfa5df559668885643c514a44d49e1f73da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60339094d1803490c80406c3f664656cc599f6afbe8429bed7004fcc66d168c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-03-07T14:00:20Z",
    "title_canon_sha256": "efc0db57284a6a0dc38ad0708bfa26835b876e118c4848e386eac08bcc456041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02915",
    "kind": "arxiv",
    "version": 2
  }
}