Pith Number

pith:ZPWMADFL

pith:2019:ZPWMADFLHVBINEREBNYIUTLG3J

not attested not anchored not stored refs pending

Variance-Reduced Decentralized Stochastic Optimization with Accelerated Convergence

Ran Xin, Soummya Kar, Usman A. Khan

arxiv:1912.04230 v3 · 2019-12-09 · math.OC · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPWMADFLHVBINEREBNYIUTLG3J}

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	2026-07-05T01:55:44.675724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbecc00cab3d428692240b708a4d66da4f4c4c0d84d17f95727a90483fa1caf6

Aliases

arxiv: 1912.04230 · arxiv_version: 1912.04230v3 · doi: 10.48550/arxiv.1912.04230 · pith_short_12: ZPWMADFLHVBI · pith_short_16: ZPWMADFLHVBINERE · pith_short_8: ZPWMADFL

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/ZPWMADFLHVBINEREBNYIUTLG3J \
  | 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: cbecc00cab3d428692240b708a4d66da4f4c4c0d84d17f95727a90483fa1caf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddaad3f5ac973611d3da9ed119f4ad4d0052d4c9ae00dd1ffd69cb03633bd433",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-12-09T18:17:04Z",
    "title_canon_sha256": "0004d057eee7aac112d1af52425530049c0202251acbded21bb4ac99f6852aa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04230",
    "kind": "arxiv",
    "version": 3
  }
}