Pith Number

pith:WFDP2VE5

pith:2019:WFDP2VE5HB4P3APA43S4QY5IOL

not attested not anchored not stored refs pending

Fast Hyperparameter Tuning using Bayesian Optimization with Directional Derivatives

Santu Rana, Sunil Gupta, Svetha Venkatesh, Tinu Theckel Joy

arxiv:1902.02416 v1 · 2019-02-06 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFDP2VE5HB4P3APA43S4QY5IOL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:54:33.433144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b146fd549d3878fd81e0e6e5c863a872f996f99f2e95db0f79bf357a6da3a9d9

Aliases

arxiv: 1902.02416 · arxiv_version: 1902.02416v1 · doi: 10.48550/arxiv.1902.02416 · pith_short_12: WFDP2VE5HB4P · pith_short_16: WFDP2VE5HB4P3APA · pith_short_8: WFDP2VE5

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/WFDP2VE5HB4P3APA43S4QY5IOL \
  | 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: b146fd549d3878fd81e0e6e5c863a872f996f99f2e95db0f79bf357a6da3a9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a8b9d2a4226c42a832735db97a5bafc55878342e3f30df91cc86e950f249a5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-06T22:26:45Z",
    "title_canon_sha256": "81c22b9b621ef8b6316962578944c2726e4d53b2aa8a4a1dc11c809d14aa0145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02416",
    "kind": "arxiv",
    "version": 1
  }
}