Pith Number

pith:YSDEH727

pith:2021:YSDEH727YZEZGZKUQLMJIE4FP4

not attested not anchored not stored refs pending

A Cubic Regularization Approach for Finding Local Minimax Points in Nonconvex Minimax Optimization

Qunwei Li, Yi Zhou, Zhengyang Hu, Zhe Wang, Ziyi Chen

arxiv:2110.07098 v5 · 2021-10-14 · math.OC · 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{YSDEH727YZEZGZKUQLMJIE4FP4}

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.

Receipt and verification

First computed	2026-07-05T05:43:08.634323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48643ff5fc64993655482d89413857f2697f891e26dc03b86426fd6e42ea94d

Aliases

arxiv: 2110.07098 · arxiv_version: 2110.07098v5 · doi: 10.48550/arxiv.2110.07098 · pith_short_12: YSDEH727YZEZ · pith_short_16: YSDEH727YZEZGZKU · pith_short_8: YSDEH727

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/YSDEH727YZEZGZKUQLMJIE4FP4 \
  | 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: c48643ff5fc64993655482d89413857f2697f891e26dc03b86426fd6e42ea94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812a792b65c9879fb1312257507b1695d509a9f2b14251eaf3cf28caf1160e15",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-10-14T00:36:44Z",
    "title_canon_sha256": "cd55130446579d3a9e4e23c734185580825027042d72ab9d66c765e6da0fc21d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07098",
    "kind": "arxiv",
    "version": 5
  }
}