Pith Number

pith:BU656YNZ

pith:2015:BU656YNZWSSBDKADZSLW23LZP3

not attested not anchored not stored refs pending

SDNA: Stochastic Dual Newton Ascent for Empirical Risk Minimization

Martin Tak\'a\v{c}, Olivier Fercoq, Peter Richt\'arik, Zheng Qu

arxiv:1502.02268 v1 · 2015-02-08 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU656YNZWSSBDKADZSLW23LZP3}

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	2026-05-18T02:27:43.057299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3ddf61b9b4a411a803cc976d6d797edc131849c2153db0f538718c7807ec7f

Aliases

arxiv: 1502.02268 · arxiv_version: 1502.02268v1 · doi: 10.48550/arxiv.1502.02268 · pith_short_12: BU656YNZWSSB · pith_short_16: BU656YNZWSSBDKAD · pith_short_8: BU656YNZ

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/BU656YNZWSSBDKADZSLW23LZP3 \
  | 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: 0d3ddf61b9b4a411a803cc976d6d797edc131849c2153db0f538718c7807ec7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3bce9e61ab01dcc4b6f3937f347c38efc0aed6344c7e6473b607288d030e8e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-08T16:34:41Z",
    "title_canon_sha256": "fef85d753f35828e5096c1a5f0354fc7b517ab2330287676f9d05eff3f517c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02268",
    "kind": "arxiv",
    "version": 1
  }
}