Pith Number

pith:HBGIBA6D

pith:2010:HBGIBA6DV4AF5GWKTES2HCLKUS

not attested not anchored not stored refs pending

Engineering Optimisation by Cuckoo Search

Suash Deb, Xin-She Yang

arxiv:1005.2908 v3 · 2010-05-17 · math.OC · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBGIBA6DV4AF5GWKTES2HCLKUS}

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	2026-05-18T04:32:43.442636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384c8083c3af005e9aca9925a3896aa49e5c2ac7167b978ec081bb069cc4e3b8

Aliases

arxiv: 1005.2908 · arxiv_version: 1005.2908v3 · doi: 10.48550/arxiv.1005.2908 · pith_short_12: HBGIBA6DV4AF · pith_short_16: HBGIBA6DV4AF5GWK · pith_short_8: HBGIBA6D

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/HBGIBA6DV4AF5GWKTES2HCLKUS \
  | 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: 384c8083c3af005e9aca9925a3896aa49e5c2ac7167b978ec081bb069cc4e3b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75ff522bd467d00c4efc66a96c65aeba74e7c5fab16a6f3e9c5ff6b017e4c49",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-05-17T12:43:51Z",
    "title_canon_sha256": "398bbd8ea237207fc85a8fb722447c40095f0e19c21c75bb192dd3a2f0c111b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2908",
    "kind": "arxiv",
    "version": 3
  }
}