Pith Number

pith:FVSZAJVL

pith:2019:FVSZAJVLFKHWJ7AAKOBAANULMC

not attested not anchored not stored refs pending

Quantized Epoch-SGD for Communication-Efficient Distributed Learning

Hao Gao, Shen-Yi Zhao, Wu-Jun Li

arxiv:1901.03040 v1 · 2019-01-10 · 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{FVSZAJVLFKHWJ7AAKOBAANULMC}

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	2026-05-17T23:56:35.718665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d659026ab2a8f64fc00538200368b6090755467aaa9baac62ef0605da76a155

Aliases

arxiv: 1901.03040 · arxiv_version: 1901.03040v1 · doi: 10.48550/arxiv.1901.03040 · pith_short_12: FVSZAJVLFKHW · pith_short_16: FVSZAJVLFKHWJ7AA · pith_short_8: FVSZAJVL

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/FVSZAJVLFKHWJ7AAKOBAANULMC \
  | 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: 2d659026ab2a8f64fc00538200368b6090755467aaa9baac62ef0605da76a155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d95331a874124e7c88fb5d92ff52387641583e6cfc5542e2c2e18092ce72711",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-10T07:16:06Z",
    "title_canon_sha256": "ca4c8dccc4a0053e68605371539d2582118aa3a04200f9423403bfc960a98ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03040",
    "kind": "arxiv",
    "version": 1
  }
}