Pith Number

pith:SZAUBTQV

pith:2019:SZAUBTQVDB4UDRQS7QMBW3X5CW

not attested not anchored not stored refs pending

One Method to Rule Them All: Variance Reduction for Data, Parameters and Many New Methods

Filip Hanzely, Peter Richt\'arik

arxiv:1905.11266 v2 · 2019-05-27 · math.OC · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZAUBTQVDB4UDRQS7QMBW3X5CW}

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	2026-06-04T20:14:33.303547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

964140ce15187941c612fc181b6efd158d77bf7b2f131733a036df939fe85be4

Aliases

arxiv: 1905.11266 · arxiv_version: 1905.11266v2 · doi: 10.48550/arxiv.1905.11266 · pith_short_12: SZAUBTQVDB4U · pith_short_16: SZAUBTQVDB4UDRQS · pith_short_8: SZAUBTQV

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/SZAUBTQVDB4UDRQS7QMBW3X5CW \
  | 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: 964140ce15187941c612fc181b6efd158d77bf7b2f131733a036df939fe85be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02716e33e34ca0bce148c7b6e07f89d81e5416689558ef55961bc3d48e2b7dca",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-27T14:31:44Z",
    "title_canon_sha256": "48ca167463a88dce2c77e3783e8acf40ad327d61845c0f8823a8cdae05bbceef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11266",
    "kind": "arxiv",
    "version": 2
  }
}