Pith Number

pith:HA6SQ5XQ

pith:2020:HA6SQ5XQ7QNXEEP4MVOM4RHNFG

not attested not anchored not stored refs pending

Surrogate Assisted Evolutionary Algorithm for Medium Scale Expensive Multi-Objective Optimisation Problems

Arnaud Liefooghe, Bilel Derbel, Ke Li, Xiaoran Ruan

arxiv:2002.03150 v1 · 2020-02-08 · 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{HA6SQ5XQ7QNXEEP4MVOM4RHNFG}

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	2026-07-05T00:39:19.507224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383d2876f0fc1b7211fc655cce44ed299826a71e0f81183116887f387838d6ed

Aliases

arxiv: 2002.03150 · arxiv_version: 2002.03150v1 · doi: 10.48550/arxiv.2002.03150 · pith_short_12: HA6SQ5XQ7QNX · pith_short_16: HA6SQ5XQ7QNXEEP4 · pith_short_8: HA6SQ5XQ

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/HA6SQ5XQ7QNXEEP4MVOM4RHNFG \
  | 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: 383d2876f0fc1b7211fc655cce44ed299826a71e0f81183116887f387838d6ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4fd15697abb2bd34e5cf02ae34a90c34a97d48e254b5f8641762521f2c6b66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-02-08T12:06:08Z",
    "title_canon_sha256": "16f971f537ad1f005348d98e28f938703d6f98f607a04bb323f2d88da204dd5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03150",
    "kind": "arxiv",
    "version": 1
  }
}