Pith Number

pith:H2TO2UIU

pith:2016:H2TO2UIUCITOZ32RE4W4FPCXBE

not attested not anchored not stored refs pending

A Proximal Stochastic Quasi-Newton Algorithm

Luo Luo, Wu-Jun Li, Zhihua Zhang, Zihao Chen

arxiv:1602.00223 v2 · 2016-01-31 · 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{H2TO2UIUCITOZ32RE4W4FPCXBE}

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	2026-05-18T00:58:34.140162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea6ed51141226ecef51272dc2bc570904a2fff3c64161087b2c17d8ecde7022

Aliases

arxiv: 1602.00223 · arxiv_version: 1602.00223v2 · doi: 10.48550/arxiv.1602.00223 · pith_short_12: H2TO2UIUCITO · pith_short_16: H2TO2UIUCITOZ32R · pith_short_8: H2TO2UIU

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/H2TO2UIUCITOZ32RE4W4FPCXBE \
  | 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: 3ea6ed51141226ecef51272dc2bc570904a2fff3c64161087b2c17d8ecde7022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "142a8b1d8daa8f74c6e1f55eac39b4bd956736b45a50512bb3aac40749d1d1ed",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-01-31T10:56:29Z",
    "title_canon_sha256": "84e52d53906bb0016c3069443b69f3be2ddc704306a1f1443e52325bce0af756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00223",
    "kind": "arxiv",
    "version": 2
  }
}