Pith Number

pith:G7X5ZX7Y

pith:2019:G7X5ZX7YKNZY2YNRFBDUW5JFZS

not attested not anchored not stored refs pending

Uncrowded Hypervolume Improvement: COMO-CMA-ES and the Sofomore framework

Anne Auger, Cheikh Tour\'e, Dimo Brockhoff, Nikolaus Hansen

arxiv:1904.08823 v1 · 2019-04-18 · math.OC · 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{G7X5ZX7YKNZY2YNRFBDUW5JFZS}

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	2026-05-17T23:48:12.858977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37efdcdff853738d61b128474b7525cc8d5b9257cb5f5849f11e636105dbb756

Aliases

arxiv: 1904.08823 · arxiv_version: 1904.08823v1 · doi: 10.48550/arxiv.1904.08823 · pith_short_12: G7X5ZX7YKNZY · pith_short_16: G7X5ZX7YKNZY2YNR · pith_short_8: G7X5ZX7Y

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/G7X5ZX7YKNZY2YNRFBDUW5JFZS \
  | 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: 37efdcdff853738d61b128474b7525cc8d5b9257cb5f5849f11e636105dbb756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27faf2b1a4287f32ccf060e5f87e243c0eee96ef7803b3e904be7781d5df02a4",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-04-18T14:57:15Z",
    "title_canon_sha256": "dcb15bcddaabd95c11f5f5db418096c77d76f8a996957bab1600eb97062eb624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08823",
    "kind": "arxiv",
    "version": 1
  }
}