Pith Number

pith:2AD2BZX4

pith:2019:2AD2BZX4YM3NAJ2PHVNPNDOT6C

not attested not anchored not stored refs pending

A Stochastic Gradient Method with Biased Estimation for Faster Nonconvex Optimization

Jia Bi, Steve R. Gunn

arxiv:1905.05185 v1 · 2019-05-13 · cs.LG · 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{2AD2BZX4YM3NAJ2PHVNPNDOT6C}

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	2026-05-17T23:46:17.192233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d007a0e6fcc336d0274f3d5af68dd3f08ec844c2da8fcd82e3479d16533415f3

Aliases

arxiv: 1905.05185 · arxiv_version: 1905.05185v1 · doi: 10.48550/arxiv.1905.05185 · pith_short_12: 2AD2BZX4YM3N · pith_short_16: 2AD2BZX4YM3NAJ2P · pith_short_8: 2AD2BZX4

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/2AD2BZX4YM3NAJ2PHVNPNDOT6C \
  | 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: d007a0e6fcc336d0274f3d5af68dd3f08ec844c2da8fcd82e3479d16533415f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a18ba2e5a9e32d1f1e6f15757f7d0d53d03fa5dd1123728b0100330350ddee",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-13T13:45:04Z",
    "title_canon_sha256": "6cc3fb1e8c3130b9f724ad575b0f47be4aaec9ba0e5954a6827277a125e18cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05185",
    "kind": "arxiv",
    "version": 1
  }
}