Pith Number

pith:DEA5RWES

pith:2019:DEA5RWESWC4YHTVMWZWHX3F7BI

not attested not anchored not stored refs pending

Multi-Level Composite Stochastic Optimization via Nested Variance Reduction

Junyu Zhang, Lin Xiao

arxiv:1908.11468 v2 · 2019-08-29 · 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{DEA5RWESWC4YHTVMWZWHX3F7BI}

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	2026-07-05T02:38:59.504193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1901d8d892b0b983ceacb66c7becbf0a29a9f95da7238c34eb12221a3c0e2e45

Aliases

arxiv: 1908.11468 · arxiv_version: 1908.11468v2 · doi: 10.48550/arxiv.1908.11468 · pith_short_12: DEA5RWESWC4Y · pith_short_16: DEA5RWESWC4YHTVM · pith_short_8: DEA5RWES

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/DEA5RWESWC4YHTVMWZWHX3F7BI \
  | 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: 1901d8d892b0b983ceacb66c7becbf0a29a9f95da7238c34eb12221a3c0e2e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28b94b79dcce406b4f57f32a7f7f0f9bb9d41e0038891b3d118a2e91cc50ba47",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-29T22:22:06Z",
    "title_canon_sha256": "507f66ef829c431f48e12ac6893c3abbc08ef631dd1b9147b18a7b50e6ea4f9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11468",
    "kind": "arxiv",
    "version": 2
  }
}