Pith Number

pith:PS36K6FB

pith:2019:PS36K6FB2Z7SRSGXNWCYT65YCL

not attested not anchored not stored refs pending

A Stochastic Extra-Step Quasi-Newton Method for Nonsmooth Nonconvex Optimization

Andre Milzarek, Minghan Yang, Tong Zhang, Zaiwen Wen

arxiv:1910.09373 v1 · 2019-10-21 · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PS36K6FB2Z7SRSGXNWCYT65YCL}

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	2026-07-05T00:13:33.128755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb7e578a1d67f28c8d76d8589fbb812f8c425593df68c3a9aa15fa9ca3890c1

Aliases

arxiv: 1910.09373 · arxiv_version: 1910.09373v1 · doi: 10.48550/arxiv.1910.09373 · pith_short_12: PS36K6FB2Z7S · pith_short_16: PS36K6FB2Z7SRSGX · pith_short_8: PS36K6FB

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/PS36K6FB2Z7SRSGXNWCYT65YCL \
  | 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: 7cb7e578a1d67f28c8d76d8589fbb812f8c425593df68c3a9aa15fa9ca3890c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baefc36079ab46ea080183352f2c915442a0606f92968e3524a6026124f266a3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-10-21T13:43:02Z",
    "title_canon_sha256": "f592e837dd3192e783617621b7315060d3800985942bf06cfe712b3906e5f8ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09373",
    "kind": "arxiv",
    "version": 1
  }
}