Pith Number

pith:UIZRNH3Y

pith:2018:UIZRNH3YBIMRPO5VKIDPZ4RA7X

not attested not anchored not stored refs pending

Stochastic Second-order Methods for Non-convex Optimization with Inexact Hessian and Gradient

Cho-Jui Hsieh, Dacheng Tao, Liu Liu, Xuanqing Liu

arxiv:1809.09853 v1 · 2018-09-26 · math.OC · cs.LG · 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{UIZRNH3YBIMRPO5VKIDPZ4RA7X}

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	2026-05-18T00:04:43.468998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a233169f780a1917bbb55206fcf220fddde3b10e1ada6ebf700efe9c13a4304f

Aliases

arxiv: 1809.09853 · arxiv_version: 1809.09853v1 · doi: 10.48550/arxiv.1809.09853 · pith_short_12: UIZRNH3YBIMR · pith_short_16: UIZRNH3YBIMRPO5V · pith_short_8: UIZRNH3Y

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/UIZRNH3YBIMRPO5VKIDPZ4RA7X \
  | 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: a233169f780a1917bbb55206fcf220fddde3b10e1ada6ebf700efe9c13a4304f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d652572d9f36242b2aaf6a9a21fbb165553d3ee5e113860140ccaef5d7077ca1",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-26T08:59:09Z",
    "title_canon_sha256": "8a23d4eefb13cebf9d215cd335572210b6516a923aea6029414d1028be18c31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09853",
    "kind": "arxiv",
    "version": 1
  }
}