Pith Number

pith:F5KP7KYJ

pith:2020:F5KP7KYJKQ4WZZFYFZUFPLSZCU

not attested not anchored not stored refs pending

Black-Box Optimization with Local Generative Surrogates

Andrey Ustyuzhanin, At{\i}l{\i}m G\"une\c{s} Baydin, Michael Kagan, Sergey Shirobokov, Vladislav Belavin

arxiv:2002.04632 v2 · 2020-02-11 · cs.LG · hep-ex · physics.data-an · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5KP7KYJKQ4WZZFYFZUFPLSZCU}

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	2026-07-05T01:38:35.069088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f54ffab0954396ce4b82e6857ae591526f3e107f551152be085bae8bda8db9b

Aliases

arxiv: 2002.04632 · arxiv_version: 2002.04632v2 · doi: 10.48550/arxiv.2002.04632 · pith_short_12: F5KP7KYJKQ4W · pith_short_16: F5KP7KYJKQ4WZZFY · pith_short_8: F5KP7KYJ

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/F5KP7KYJKQ4WZZFYFZUFPLSZCU \
  | 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: 2f54ffab0954396ce4b82e6857ae591526f3e107f551152be085bae8bda8db9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7f0a10b6aa2ead1e591220befef8599295cbd2a03a51f1b7959f720c3abff9",
    "cross_cats_sorted": [
      "hep-ex",
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-11T19:02:57Z",
    "title_canon_sha256": "0e6156252c16af70098f58f7e0438d2ab722fc8213b7acdea9f4e4035a6728ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04632",
    "kind": "arxiv",
    "version": 2
  }
}