Pith Number

pith:FUDHGBHH

pith:2024:FUDHGBHHUP3QVF22EB7DNSMT7O

not attested not anchored not stored refs pending

Hyperparameter Tuning Through Pessimistic Bilevel Optimization

Bo Zeng, Liang Xu, Meltem Apaydin Ustun, Xiaoning Qian

arxiv:2412.03666 v1 · 2024-12-04 · 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{FUDHGBHHUP3QVF22EB7DNSMT7O}

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

1 paper in Pith

Bilevel learning

Receipt and verification

First computed	2026-07-05T09:44:39.681563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d067304e7a3f70a975a207e36c993fb9d5c6eb828cadc94d04a305b00da9ee5

Aliases

arxiv: 2412.03666 · arxiv_version: 2412.03666v1 · doi: 10.48550/arxiv.2412.03666 · pith_short_12: FUDHGBHHUP3Q · pith_short_16: FUDHGBHHUP3QVF22 · pith_short_8: FUDHGBHH

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/FUDHGBHHUP3QVF22EB7DNSMT7O \
  | 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: 2d067304e7a3f70a975a207e36c993fb9d5c6eb828cadc94d04a305b00da9ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e54ee12fd6a775620724dc012f8b0e670b8b9e45f9f8315fdbfc832a29e9c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-04T19:01:20Z",
    "title_canon_sha256": "9850fc10d2f63851683630cb6916e4ef911fd0f1e59b1d5371e87f25bb05b129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.03666",
    "kind": "arxiv",
    "version": 1
  }
}