Pith Number

pith:KGHZM6TG

pith:2022:KGHZM6TGLZNXYI2WGX66GZDMMQ

not attested not anchored not stored refs pending

Bilevel Optimization with a Lower-level Contraction: Optimal Sample Complexity without Warm-start

Massimiliano Pontil, Riccardo Grazzi, Saverio Salzo

arxiv:2202.03397 v4 · 2022-02-07 · stat.ML · cs.LG · 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{KGHZM6TGLZNXYI2WGX66GZDMMQ}

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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

A Nearly Optimal Single Loop Algorithm for Stochastic Bilevel Optimization under Unbounded Smoothness

Receipt and verification

First computed	2026-07-05T07:13:18.888300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

518f967a665e5b7c235635fde3646c643a14ecfa42cf11531bd240a1900fc12e

Aliases

arxiv: 2202.03397 · arxiv_version: 2202.03397v4 · doi: 10.48550/arxiv.2202.03397 · pith_short_12: KGHZM6TGLZNX · pith_short_16: KGHZM6TGLZNXYI2W · pith_short_8: KGHZM6TG

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/KGHZM6TGLZNXYI2WGX66GZDMMQ \
  | 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: 518f967a665e5b7c235635fde3646c643a14ecfa42cf11531bd240a1900fc12e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10166aa01501d87736d8d02cea39b2248036f1413c43586dce15317aae29124d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-02-07T18:35:46Z",
    "title_canon_sha256": "941f37feac0f6061a7251601a222182dd28be8d6a001cc3f4f7ed19450b2c6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.03397",
    "kind": "arxiv",
    "version": 4
  }
}