Pith Number

pith:SYPQV4Q2

pith:2018:SYPQV4Q2JHAXOTSBXCA2EQX2H6

not attested not anchored not stored refs pending

SGD and Hogwild! Convergence Without the Bounded Gradients Assumption

Katya Scheinberg, Lam M. Nguyen, Marten van Dijk, Martin Tak\'a\v{c}, Peter Richt\'arik, Phuong Ha Nguyen

arxiv:1802.03801 v2 · 2018-02-11 · math.OC · cs.LG · 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{SYPQV4Q2JHAXOTSBXCA2EQX2H6}

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	2026-05-18T00:11:17.961858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961f0af21a49c1774e41b881a242fa3fa7c7532f3cfeaa9cb911060538c0a326

Aliases

arxiv: 1802.03801 · arxiv_version: 1802.03801v2 · doi: 10.48550/arxiv.1802.03801 · pith_short_12: SYPQV4Q2JHAX · pith_short_16: SYPQV4Q2JHAXOTSB · pith_short_8: SYPQV4Q2

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/SYPQV4Q2JHAXOTSBXCA2EQX2H6 \
  | 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: 961f0af21a49c1774e41b881a242fa3fa7c7532f3cfeaa9cb911060538c0a326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8cf359ba22a1c155c0479c44204bc24b3b5b4e18ecd09b5dafd062926a6956",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-11T19:35:46Z",
    "title_canon_sha256": "c916f893dd7b3d29b263652609f34cef12ebaef0e68c0f97f52dc3df35505397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03801",
    "kind": "arxiv",
    "version": 2
  }
}