Pith Number

pith:YS5FNQP7

pith:2004:YS5FNQP7WMW3IO7WEXWD4BR2TZ

not attested not anchored not stored refs pending

Efficiency Enhancement of Genetic Algorithms via Building-Block-Wise Fitness Estimation

David E. Goldberg, Kumara Sastry, Martin Pelikan

arxiv:cs/0405065 v1 · 2004-05-18 · 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{YS5FNQP7WMW3IO7WEXWD4BR2TZ}

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	2026-05-18T00:58:08.999728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ba56c1ffb32db43bf625ec3e063a9e6d29555507cf4096efbb56d440cbac33

Aliases

arxiv: cs/0405065 · arxiv_version: cs/0405065v1 · doi: 10.48550/arxiv.cs/0405065 · pith_short_12: YS5FNQP7WMW3 · pith_short_16: YS5FNQP7WMW3IO7W · pith_short_8: YS5FNQP7

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/YS5FNQP7WMW3IO7WEXWD4BR2TZ \
  | 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: c4ba56c1ffb32db43bf625ec3e063a9e6d29555507cf4096efbb56d440cbac33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d35c1c5096292e8f1226623fa105d69c205962c40cad8c3285b3f24b26f3a6d3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.NE",
    "submitted_at": "2004-05-18T16:55:00Z",
    "title_canon_sha256": "b22a2f7fc0f289be2143b7191480bf9af7818f14b4f0c5d30532fc9e81de4867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0405065",
    "kind": "arxiv",
    "version": 1
  }
}