Pith Number

pith:B4UGMQ5U

pith:2017:B4UGMQ5U5NZH7NTRGF7QDZLS74

not attested not anchored not stored refs pending

On Quadratic Convergence of DC Proximal Newton Algorithm for Nonconvex Sparse Learning in High Dimensions

Jarvis Haupt, Jason Ge, Lin F. Yang, Tong Zhang, Tuo Zhao, Xingguo Li

arxiv:1706.06066 v3 · 2017-06-19 · 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{B4UGMQ5U5NZH7NTRGF7QDZLS74}

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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	2026-05-18T00:23:16.816255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f286643b4eb727fb671317f01e572ff2ac527331e7871eb716e30470fe23307

Aliases

arxiv: 1706.06066 · arxiv_version: 1706.06066v3 · doi: 10.48550/arxiv.1706.06066 · pith_short_12: B4UGMQ5U5NZH · pith_short_16: B4UGMQ5U5NZH7NTR · pith_short_8: B4UGMQ5U

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/B4UGMQ5U5NZH7NTRGF7QDZLS74 \
  | 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: 0f286643b4eb727fb671317f01e572ff2ac527331e7871eb716e30470fe23307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffba1df1ccd29befc214149911b43ad1826a19f0b65d7ec20c2f685ee0e8da4c",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-06-19T17:15:47Z",
    "title_canon_sha256": "95f545d4cf1fdacaec94ff9b81c725c63dabf7a1c270223cc0ed2a646fcae05b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06066",
    "kind": "arxiv",
    "version": 3
  }
}