Pith Number

pith:OOJGCGZH

pith:2023:OOJGCGZHKONH3XSRIVURP45S7Y

not attested not anchored not stored refs pending

Projective Proximal Gradient Descent for A Class of Nonconvex Nonsmooth Optimization Problems: Fast Convergence Without Kurdyka-Lojasiewicz (KL) Property

Ping Li, Yingzhen Yang

arxiv:2304.10499 v2 · 2023-04-20 · 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{OOJGCGZHKONH3XSRIVURP45S7Y}

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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.

Cited by

1 paper in Pith

Optimization over Sparse Support-Preserving Sets: Two-Step Projection with Global Optimality Guarantees

Receipt and verification

First computed	2026-07-05T09:11:20.735499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7392611b27539a7dde51456917f3b2fe29183d12ddc1859f73f83af621e2eb49

Aliases

arxiv: 2304.10499 · arxiv_version: 2304.10499v2 · doi: 10.48550/arxiv.2304.10499 · pith_short_12: OOJGCGZHKONH · pith_short_16: OOJGCGZHKONH3XSR · pith_short_8: OOJGCGZH

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/OOJGCGZHKONH3XSRIVURP45S7Y \
  | 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: 7392611b27539a7dde51456917f3b2fe29183d12ddc1859f73f83af621e2eb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ad0940fa0404ad3e0b50f8fb6dc624655dbfebc2cf0f7de02b64c1adbe9699",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-04-20T17:39:24Z",
    "title_canon_sha256": "c30b2932c08d72468e9e42d028814365e0dc351cde6c3592a0c37172f42ee6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.10499",
    "kind": "arxiv",
    "version": 2
  }
}