Pith Number

pith:VDKB4CAB

pith:2015:VDKB4CABCZR4Q3YC275L62VXPL

not attested not anchored not stored refs pending

Linear Convergence of Proximal Gradient Algorithm with Extrapolation for a Class of Nonconvex Nonsmooth Minimization Problems

Bo Wen, Ting Kei Pong, Xiaojun Chen

arxiv:1512.09302 v2 · 2015-12-31 · math.OC · 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{VDKB4CABCZR4Q3YC275L62VXPL}

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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	2026-05-18T01:10:14.786681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d41e08011663c86f02d7fabf6ab77af65bab70bbf4c86aeffdf87b9673d385

Aliases

arxiv: 1512.09302 · arxiv_version: 1512.09302v2 · doi: 10.48550/arxiv.1512.09302 · pith_short_12: VDKB4CABCZR4 · pith_short_16: VDKB4CABCZR4Q3YC · pith_short_8: VDKB4CAB

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/VDKB4CABCZR4Q3YC275L62VXPL \
  | 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: a8d41e08011663c86f02d7fabf6ab77af65bab70bbf4c86aeffdf87b9673d385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb0c38df3a629eaab020b43555f81ed5bcbfe55fc05ec8e0afc651547dff8f1c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-12-31T14:57:03Z",
    "title_canon_sha256": "1c441539fd85722a676a5c035effb3b19c84c20aea1755142c62851c03a793a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09302",
    "kind": "arxiv",
    "version": 2
  }
}