Pith Number

pith:GB4BDWAP

pith:2015:GB4BDWAP7CZNICGULJPSY7OYD5

not attested not anchored not stored refs pending

DC Proximal Newton for Non-Convex Optimization Problems

Alain Rakotomamonjy (LITIS), Gilles Gasso (LITIS), Oca), Remi Flamary (LAGRANGE

arxiv:1507.00438 v1 · 2015-07-02 · cs.LG · cs.NA · 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{GB4BDWAP7CZNICGULJPSY7OYD5}

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	2026-05-18T01:37:24.733190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

307811d80ff8b2d408d45a5f2c7dd81f62348c005f46eb26c5de967438795009

Aliases

arxiv: 1507.00438 · arxiv_version: 1507.00438v1 · doi: 10.48550/arxiv.1507.00438 · pith_short_12: GB4BDWAP7CZN · pith_short_16: GB4BDWAP7CZNICGU · pith_short_8: GB4BDWAP

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/GB4BDWAP7CZNICGULJPSY7OYD5 \
  | 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: 307811d80ff8b2d408d45a5f2c7dd81f62348c005f46eb26c5de967438795009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee5704d5fd8aecf058d8e5b03f207c3ae385c2f8c0099876f760f55580dced4",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-02T06:41:32Z",
    "title_canon_sha256": "7a343630fb27073db66706c7aa6d54c751f9f5aece607fa4358ef69156592740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00438",
    "kind": "arxiv",
    "version": 1
  }
}