Pith Number

pith:R4BEEBYO

pith:2021:R4BEEBYOL5UBIVI3JU6QVLRUB3

not attested not anchored not stored refs pending

ZeroSARAH: Efficient Nonconvex Finite-Sum Optimization with Zero Full Gradient Computation

Peter Richt\'arik, Slavom\'ir Hanzely, Zhize Li

arxiv:2103.01447 v3 · 2021-03-02 · cs.LG · cs.DC · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4BEEBYOL5UBIVI3JU6QVLRUB3}

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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

6 papers in Pith

SILAGE: Memory-Efficient, Full-Gradient-Free Nonconvex Optimization for Nested Finite Sums

LOSCAR-SGD: Local SGD with Communication-Computation Overlap and Delay-Corrected Sparse Model Averaging

Ringmaster LMO: Asynchronous Linear Minimization Oracle Momentum Method

Rescaled Asynchronous SGD: Optimal Distributed Optimization under Data and System Heterogeneity

Rennala MVR: Improved Time Complexity for Parallel Stochastic Optimization via Momentum-Based Variance Reduction

Receipt and verification

First computed	2026-07-05T03:21:08.823405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0242070e5f6814551b4d3d0aae340ecca1b50495c76f99d66b6e05e33471f8

Aliases

arxiv: 2103.01447 · arxiv_version: 2103.01447v3 · doi: 10.48550/arxiv.2103.01447 · pith_short_12: R4BEEBYOL5UB · pith_short_16: R4BEEBYOL5UBIVI3 · pith_short_8: R4BEEBYO

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/R4BEEBYOL5UBIVI3JU6QVLRUB3 \
  | 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: 8f0242070e5f6814551b4d3d0aae340ecca1b50495c76f99d66b6e05e33471f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bbf61571c32cf9d2391ceb9d16a70418b379500be5ae707b78a7918281a4010",
    "cross_cats_sorted": [
      "cs.DC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-02T03:31:06Z",
    "title_canon_sha256": "a0c58bb4c40efbe9db47713f491c2c0f6e8e88854741a43bf5bbbaa8eb7b9bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01447",
    "kind": "arxiv",
    "version": 3
  }
}