Pith Number

pith:5LCVDHQT

pith:2018:5LCVDHQTX5C45KWDYHKLDXJLIY

not attested not anchored not stored refs pending

R-SPIDER: A Fast Riemannian Stochastic Optimization Algorithm with Curvature Independent Rate

Hongyi Zhang, Jingzhao Zhang, Suvrit Sra

arxiv:1811.04194 v3 · 2018-11-10 · math.OC · 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{5LCVDHQTX5C45KWDYHKLDXJLIY}

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	2026-05-17T23:58:18.838487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac5519e13bf45ceaac3c1d4b1dd2b460610befcf7e328fae67cbd7d12600abc

Aliases

arxiv: 1811.04194 · arxiv_version: 1811.04194v3 · doi: 10.48550/arxiv.1811.04194 · pith_short_12: 5LCVDHQTX5C4 · pith_short_16: 5LCVDHQTX5C45KWD · pith_short_8: 5LCVDHQT

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/5LCVDHQTX5C45KWDYHKLDXJLIY \
  | 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: eac5519e13bf45ceaac3c1d4b1dd2b460610befcf7e328fae67cbd7d12600abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "926f4614f02088210a1fc1d6a573b1e716a0d02a2666d7c08cb5898b5f3df1b0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-10T04:48:41Z",
    "title_canon_sha256": "6d0f9ad7ec0538cd00cab568b673aa91947245e5a8dd66db06834566443430ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04194",
    "kind": "arxiv",
    "version": 3
  }
}