Pith Number

pith:UN7RHR3C

pith:2025:UN7RHR3CE2YSLTS5D4TDB46F77

not attested not anchored not stored refs pending

Nonconvex Optimization Framework for Group-Sparse Feedback Linear-Quadratic Optimal Control: Penalty Approach

Lechen Feng, Xun Li, Yuan-Hua Ni

arxiv:2507.18114 v3 · 2025-07-24 · math.OC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN7RHR3CE2YSLTS5D4TDB46F77}

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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

Douglas-Rachford Splitting for Group-Sparse Feedback Linear-Quadratic Control

Receipt and verification

First computed	2026-07-05T11:48:51.895369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37f13c76226b125ce5d1f2630f3c5ffc092d4e9ad382a6362b96008a3524ffe

Aliases

arxiv: 2507.18114 · arxiv_version: 2507.18114v3 · doi: 10.48550/arxiv.2507.18114 · pith_short_12: UN7RHR3CE2YS · pith_short_16: UN7RHR3CE2YSLTS5 · pith_short_8: UN7RHR3C

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/UN7RHR3CE2YSLTS5D4TDB46F77 \
  | 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: a37f13c76226b125ce5d1f2630f3c5ffc092d4e9ad382a6362b96008a3524ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ffdad1280a9c1ae05a2661cb4b135c9bee19d099f03d04db914d14c46d24b9a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-24T05:55:28Z",
    "title_canon_sha256": "9908c5dc434c44267099f9581f6d370a62d52e84956250fd6aa3c0d8d9c48169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18114",
    "kind": "arxiv",
    "version": 3
  }
}