Pith Number

pith:QWZ2AXRQ

pith:2020:QWZ2AXRQ6IBZCJQ34XMQIKWDGX

not attested not anchored not stored refs pending

A Primer on Zeroth-Order Optimization in Signal Processing and Machine Learning

Alfred Hero, Bhavya Kailkhura, Gaoyuan Zhang, Pin-Yu Chen, Pramod K. Varshney, Sijia Liu

arxiv:2006.06224 v2 · 2020-06-11 · cs.LG · eess.SP · 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{QWZ2AXRQ6IBZCJQ34XMQIKWDGX}

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.

Cited by

1 paper in Pith

Stochastic Taylor Derivative Estimator: Efficient amortization for arbitrary differential operators

Receipt and verification

First computed	2026-07-05T01:11:47.978624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b3a05e30f20391261be5d9042ac335fcc1e9b9e6ebf0b46a9329ab85a3290d

Aliases

arxiv: 2006.06224 · arxiv_version: 2006.06224v2 · doi: 10.48550/arxiv.2006.06224 · pith_short_12: QWZ2AXRQ6IBZ · pith_short_16: QWZ2AXRQ6IBZCJQ3 · pith_short_8: QWZ2AXRQ

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/QWZ2AXRQ6IBZCJQ34XMQIKWDGX \
  | 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: 85b3a05e30f20391261be5d9042ac335fcc1e9b9e6ebf0b46a9329ab85a3290d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac866c71d6eb8544b3c3e4bcb7cd1b845ec492a4cd8d53c71d23458dfee8f34",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-11T06:50:35Z",
    "title_canon_sha256": "afb8786d9872ebba270a0ec56c2543493dd64bee404163148dd8d7c768475ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06224",
    "kind": "arxiv",
    "version": 2
  }
}