Pith Number

pith:QWY6EUJ3

pith:2019:QWY6EUJ33NRPVGJSIWT7DLLIPC

not attested not anchored not stored refs pending

Combining Stochastic Adaptive Cubic Regularization with Negative Curvature for Nonconvex Optimization

Panos M. Pardalos, Seonho Park, Seung Hyun Jung

arxiv:1906.11417 v1 · 2019-06-27 · 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{QWY6EUJ33NRPVGJSIWT7DLLIPC}

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	2026-05-17T23:42:07.180267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b1e2513bdb62fa993245a7f1ad6878991c6e541845bf6e9e1aad7f5b211020

Aliases

arxiv: 1906.11417 · arxiv_version: 1906.11417v1 · doi: 10.48550/arxiv.1906.11417 · pith_short_12: QWY6EUJ33NRP · pith_short_16: QWY6EUJ33NRPVGJS · pith_short_8: QWY6EUJ3

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/QWY6EUJ33NRPVGJSIWT7DLLIPC \
  | 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: 85b1e2513bdb62fa993245a7f1ad6878991c6e541845bf6e9e1aad7f5b211020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa0f18fb2e85ace1f438cc14dc5a2f4ea6c3bf6dba6c86ae6a3aa8604df92c0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-27T03:08:21Z",
    "title_canon_sha256": "cbad1ad14e39d66b1e1098a8d2d9f4fcef5012e04ceb4f702308c67c4ff35e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11417",
    "kind": "arxiv",
    "version": 1
  }
}