Pith Number

pith:NKUXPWVZ

pith:2019:NKUXPWVZH7JOZHPMOUQHKYHVPE

not attested not anchored not stored refs pending

Do Subsampled Newton Methods Work for High-Dimensional Data?

Shusen Wang, Xiang Li, Zhihua Zhang

arxiv:1902.04952 v2 · 2019-02-13 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKUXPWVZH7JOZHPMOUQHKYHVPE}

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	2026-05-17T23:47:01.873667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa977dab93fd2ec9dec75207560f579389e19a4da607365d9f351c3edb5abc7

Aliases

arxiv: 1902.04952 · arxiv_version: 1902.04952v2 · doi: 10.48550/arxiv.1902.04952 · pith_short_12: NKUXPWVZH7JO · pith_short_16: NKUXPWVZH7JOZHPM · pith_short_8: NKUXPWVZ

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/NKUXPWVZH7JOZHPMOUQHKYHVPE \
  | 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: 6aa977dab93fd2ec9dec75207560f579389e19a4da607365d9f351c3edb5abc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91988e948e2523a65420d03df3ab16bef909a39580f87970b2aca74866c0da9",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-02-13T15:30:10Z",
    "title_canon_sha256": "668db94dbf475ba6e68a9c367ffa200f2787cecb6346f511b8a6220314acfe8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04952",
    "kind": "arxiv",
    "version": 2
  }
}