Pith Number

pith:5UVCYO7V

pith:2019:5UVCYO7VEZTX5CCVCIGOQQVA2Z

not attested not anchored not stored refs pending

Convergence of Distributed Stochastic Variance Reduced Methods without Sampling Extra Data

Huishuai Zhang, Shicong Cen, Tie-Yan Liu, Wei Chen, Yuejie Chi

arxiv:1905.12648 v3 · 2019-05-29 · cs.LG · 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{5UVCYO7VEZTX5CCVCIGOQQVA2Z}

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	2026-07-05T01:29:37.894483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2a2c3bf526677e8855120ce842a0d64b7aad0f775bb4062fed4d782054005d

Aliases

arxiv: 1905.12648 · arxiv_version: 1905.12648v3 · doi: 10.48550/arxiv.1905.12648 · pith_short_12: 5UVCYO7VEZTX · pith_short_16: 5UVCYO7VEZTX5CCV · pith_short_8: 5UVCYO7V

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/5UVCYO7VEZTX5CCVCIGOQQVA2Z \
  | 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: ed2a2c3bf526677e8855120ce842a0d64b7aad0f775bb4062fed4d782054005d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdc78f9b1efe9c53e1e78e7c5ca6170c5a77b9d3405c201a52d735f7d1089617",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-29T18:00:56Z",
    "title_canon_sha256": "5bfb1c4725184ab0f234b30fe44a98c152fa69d10e03332139406d3a4d3aa5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12648",
    "kind": "arxiv",
    "version": 3
  }
}