Pith Number

pith:XCAA6CVJ

pith:2025:XCAA6CVJG5Q7X5N3ETZMPWKVWW

not attested not anchored not stored refs pending

BILBO: BILevel Bayesian Optimization

Bryan Kian Hsiang Low, Quoc Phong Nguyen, Ruth Wan Theng Chew

arxiv:2502.02121 v2 · 2025-02-04 · cs.LG · 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{XCAA6CVJG5Q7X5N3ETZMPWKVWW}

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.

Cited by

2 papers in Pith

Benchmarking Bilevel Derivative-Free Optimization Algorithms

No-regret optimization of time-varying bilevel problems

Receipt and verification

First computed	2026-07-05T11:11:21.561263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8800f0aa93761fbf5bb24f2c7d955b5b6a58bd6b28af563a1b4da0411f1da75

Aliases

arxiv: 2502.02121 · arxiv_version: 2502.02121v2 · doi: 10.48550/arxiv.2502.02121 · pith_short_12: XCAA6CVJG5Q7 · pith_short_16: XCAA6CVJG5Q7X5N3 · pith_short_8: XCAA6CVJ

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/XCAA6CVJG5Q7X5N3ETZMPWKVWW \
  | 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: b8800f0aa93761fbf5bb24f2c7d955b5b6a58bd6b28af563a1b4da0411f1da75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6255925872fc27b783f11470b28d4fd6e4e3f2da377b25e4ac428b24cf21235",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-04T08:57:47Z",
    "title_canon_sha256": "3a1ac65cde07b14df9a07e56d02cc2dd6027397fb79ff7e6ed89e99daee7966a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02121",
    "kind": "arxiv",
    "version": 2
  }
}