Pith Number

pith:Z3HECVQY

pith:2019:Z3HECVQYNMKVV3MNWNPEJIVUHO

not attested not anchored not stored refs pending

Hyper-Parameter Tuning for the (1+(\lambda,\lambda)) GA

Carola Doerr, Nguyen Dang

arxiv:1904.04608 v1 · 2019-04-09 · 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{Z3HECVQYNMKVV3MNWNPEJIVUHO}

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	2026-05-17T23:48:58.631725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cece4156186b155aed8db35e44a2b43b8a805e8534e2565e1106a4767441790e

Aliases

arxiv: 1904.04608 · arxiv_version: 1904.04608v1 · doi: 10.48550/arxiv.1904.04608 · pith_short_12: Z3HECVQYNMKV · pith_short_16: Z3HECVQYNMKVV3MN · pith_short_8: Z3HECVQY

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/Z3HECVQYNMKVV3MNWNPEJIVUHO \
  | 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: cece4156186b155aed8db35e44a2b43b8a805e8534e2565e1106a4767441790e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70f751f32b9bd3a498ea004e855a7bb31965dc192013e7543d94ebb01c8922ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-04-09T11:47:33Z",
    "title_canon_sha256": "4bdc42545d4122051daaa6b2224a0b824290f295ebcad383cc63149ac14bbe0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04608",
    "kind": "arxiv",
    "version": 1
  }
}