Pith Number

pith:PTUOVPMH

pith:2025:PTUOVPMHYCQFFMOAMBY6EYSGKB

not attested not anchored not stored refs pending

On Constraint Qualifications for MPECs with Applications to Bilevel Hyperparameter Optimization for Machine Learning

Alain Zemkoho, Jiani Li, Qingna Li

arxiv:2508.12850 v2 · 2025-08-18 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTUOVPMHYCQFFMOAMBY6EYSGKB}

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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	2026-05-18T02:45:13.153493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce8eabd87c0a052b1c06071e262465073d1dffeadafc3340494a09b4935bae3

Aliases

arxiv: 2508.12850 · arxiv_version: 2508.12850v2 · doi: 10.48550/arxiv.2508.12850 · pith_short_12: PTUOVPMHYCQF · pith_short_16: PTUOVPMHYCQFFMOA · pith_short_8: PTUOVPMH

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/PTUOVPMHYCQFFMOAMBY6EYSGKB \
  | 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: 7ce8eabd87c0a052b1c06071e262465073d1dffeadafc3340494a09b4935bae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fed47c021d5343503de4973dbd3d4be6cef2a86149c8ef5cf40a08fe58e65f61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-08-18T11:41:04Z",
    "title_canon_sha256": "9b4bd94440c127c4bb00f120c581de519aeead2b6312d586078428a765435bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12850",
    "kind": "arxiv",
    "version": 2
  }
}