Pith Number

pith:LEUSIMEE

pith:2018:LEUSIMEEMZW2JFAPSG6QXQ4TKL

not attested not anchored not stored refs pending

Fast Exact Computation of Expected HyperVolume Improvement

Guang Zhao, Raymundo Arroyave, Xiaoning Qian

arxiv:1812.07692 v2 · 2018-12-18 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LEUSIMEEMZW2JFAPSG6QXQ4TKL}

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	2026-05-17T23:55:38.186866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5929243084666da4940f91bd0bc39352c739a2b30d42f5da88944d27326eeb52

Aliases

arxiv: 1812.07692 · arxiv_version: 1812.07692v2 · doi: 10.48550/arxiv.1812.07692 · pith_short_12: LEUSIMEEMZW2 · pith_short_16: LEUSIMEEMZW2JFAP · pith_short_8: LEUSIMEE

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/LEUSIMEEMZW2JFAPSG6QXQ4TKL \
  | 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: 5929243084666da4940f91bd0bc39352c739a2b30d42f5da88944d27326eeb52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a38c7240bee56f61691150c92f80b01dff84b641b016646409448534130998c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-12-18T23:25:37Z",
    "title_canon_sha256": "0cf41dab92e360c87bd32ba800af4477625d82b9b024bc39194d14dc43ff5b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07692",
    "kind": "arxiv",
    "version": 2
  }
}