Pith Number

pith:RIRAI3GP

pith:2018:RIRAI3GP6VUDW73RN3M6AXIZBV

not attested not anchored not stored refs pending

VR-SGD: A Simple Stochastic Variance Reduction Method for Machine Learning

Dacheng Tao, Fanhua Shang, Hongying Liu, Ivor W. Tsang, James Cheng, Kaiwen Zhou, Licheng Jiao, Lijun Zhang

arxiv:1802.09932 v2 · 2018-02-26 · cs.LG · cs.CV · math.OC · stat.ML

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

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	2026-05-18T00:02:01.544208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a22046ccff5683b7f716ed9e05d190d412dfb263044912e72218e2bda91bda1

Aliases

arxiv: 1802.09932 · arxiv_version: 1802.09932v2 · doi: 10.48550/arxiv.1802.09932 · pith_short_12: RIRAI3GP6VUD · pith_short_16: RIRAI3GP6VUDW73R · pith_short_8: RIRAI3GP

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/RIRAI3GP6VUDW73RN3M6AXIZBV \
  | 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: 8a22046ccff5683b7f716ed9e05d190d412dfb263044912e72218e2bda91bda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42928ccdd9a328107d4de68915663a60ff6fea30e05f44ee08c988d7955c1279",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-26T12:56:07Z",
    "title_canon_sha256": "97a84c9e6e80cb7c9a1f880b2a6b00b5056280bf1156a20aaa827c9e32d14313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09932",
    "kind": "arxiv",
    "version": 2
  }
}