Pith Number

pith:BKW4QADQ

pith:2018:BKW4QADQFDIGJIAXY3VBRPE2HA

not attested not anchored not stored refs pending

Memetic Algorithms Beat Evolutionary Algorithms on the Class of Hurdle Problems

Dirk Sudholt, Phan Trung Hai Nguyen

arxiv:1804.06173 v1 · 2018-04-17 · 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{BKW4QADQFDIGJIAXY3VBRPE2HA}

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	2026-05-18T00:18:21.504385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aadc8007028d064a017c6ea18bc9a382fc574dfdbaf0b8c5c83838680c663c1

Aliases

arxiv: 1804.06173 · arxiv_version: 1804.06173v1 · doi: 10.48550/arxiv.1804.06173 · pith_short_12: BKW4QADQFDIG · pith_short_16: BKW4QADQFDIGJIAX · pith_short_8: BKW4QADQ

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/BKW4QADQFDIGJIAXY3VBRPE2HA \
  | 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: 0aadc8007028d064a017c6ea18bc9a382fc574dfdbaf0b8c5c83838680c663c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "346c5aa3c514510b96375f024e06702bba51b4f15bdc70a8abd443edf9b5b470",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-17T11:35:21Z",
    "title_canon_sha256": "f93a87d847c558c66baffcaab1085c9716c025cca2372e2a56ac6cc4320a493d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06173",
    "kind": "arxiv",
    "version": 1
  }
}