Pith Number

pith:QEIFP2IO

pith:2010:QEIFP2IO67S3RJ6ME5JD2L2Q5W

not attested not anchored not stored refs pending

A Smoothing Stochastic Gradient Method for Composite Optimization

Javier Pena, Qihang Lin, Xi Chen

arxiv:1008.5204 v2 · 2010-08-31 · 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{QEIFP2IO67S3RJ6ME5JD2L2Q5W}

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	2026-05-18T04:19:04.404004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811057e90ef7e5b8a7cc27523d2f50ed87da548cbbbb718f85f9f64827ef6eda

Aliases

arxiv: 1008.5204 · arxiv_version: 1008.5204v2 · doi: 10.48550/arxiv.1008.5204 · pith_short_12: QEIFP2IO67S3 · pith_short_16: QEIFP2IO67S3RJ6M · pith_short_8: QEIFP2IO

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/QEIFP2IO67S3RJ6ME5JD2L2Q5W \
  | 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: 811057e90ef7e5b8a7cc27523d2f50ed87da548cbbbb718f85f9f64827ef6eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d20c684eeeccb64e7ed24e22051b0a94e8d3381bbbb3f3109a0baf9be74c09",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-08-31T02:42:32Z",
    "title_canon_sha256": "4a469f0cfdb5949032d2ca7b291d16f484529f203c43718be73239702e4386ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5204",
    "kind": "arxiv",
    "version": 2
  }
}