Pith Number

pith:5VFJMZPK

pith:2018:5VFJMZPKVHIEEQJWKYXW34XWDC

not attested not anchored not stored refs pending

A Covariance Matrix Self-Adaptation Evolution Strategy for Optimization under Linear Constraints

Hans-Georg Beyer, Michael Hellwig, Patrick Spettel

arxiv:1806.05845 v2 · 2018-06-15 · cs.NE · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VFJMZPKVHIEEQJWKYXW34XWDC}

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	2026-05-18T00:05:13.934238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed4a9665eaa9d0424136562f6df2f618a0e61c1b23484900cf7bffad0fdffb9f

Aliases

arxiv: 1806.05845 · arxiv_version: 1806.05845v2 · doi: 10.48550/arxiv.1806.05845 · pith_short_12: 5VFJMZPKVHIE · pith_short_16: 5VFJMZPKVHIEEQJW · pith_short_8: 5VFJMZPK

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/5VFJMZPKVHIEEQJWKYXW34XWDC \
  | 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: ed4a9665eaa9d0424136562f6df2f618a0e61c1b23484900cf7bffad0fdffb9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818ef28a109252a90661da68551321a1737028776d9ceb1c315a8fbed6936b19",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-06-15T08:06:57Z",
    "title_canon_sha256": "0e9232157a949988b191a79260f47c7fb2e6534d450967e3d804b84fa1fdf3a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05845",
    "kind": "arxiv",
    "version": 2
  }
}