Pith Number

pith:KCEDUUXM

pith:2019:KCEDUUXMKMQOLRDN2XAIIVFNB4

not attested not anchored not stored refs pending

SSRGD: Simple Stochastic Recursive Gradient Descent for Escaping Saddle Points

Zhize Li

arxiv:1904.09265 v2 · 2019-04-19 · cs.LG · cs.DS · 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{KCEDUUXMKMQOLRDN2XAIIVFNB4}

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	2026-05-17T23:42:48.182236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50883a52ec5320e5c46dd5c08454ad0f18e39e268313e63e2c661a452d5e34b0

Aliases

arxiv: 1904.09265 · arxiv_version: 1904.09265v2 · doi: 10.48550/arxiv.1904.09265 · pith_short_12: KCEDUUXMKMQO · pith_short_16: KCEDUUXMKMQOLRDN · pith_short_8: KCEDUUXM

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/KCEDUUXMKMQOLRDN2XAIIVFNB4 \
  | 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: 50883a52ec5320e5c46dd5c08454ad0f18e39e268313e63e2c661a452d5e34b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4554f222bb25cec7b246ce36b38db31840ee78ce679f9db5fb657175668a6cb8",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-19T16:59:46Z",
    "title_canon_sha256": "6d6677c621829d7cf7a4e6bcbd35f7282f651164d4fc207359da40a1c5d02dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09265",
    "kind": "arxiv",
    "version": 2
  }
}