Pith Number

pith:YX562LSX

pith:2019:YX562LSXTDQUTLFHIJWIXPUZOU

not attested not anchored not stored refs pending

KL property of exponent $1/2$ of quadratic functions under nonnegative zero-norm constraints and applications

Shaohua Pan, Shujun Bi, Yuqia Wu

arxiv:1904.03784 v4 · 2019-04-08 · 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{YX562LSXTDQUTLFHIJWIXPUZOU}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T00:00:58.170686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5fbed2e5798e149aca7426c8bbe99751c151014538125d2a37af0515ed90a61

Aliases

arxiv: 1904.03784 · arxiv_version: 1904.03784v4 · doi: 10.48550/arxiv.1904.03784 · pith_short_12: YX562LSXTDQU · pith_short_16: YX562LSXTDQUTLFH · pith_short_8: YX562LSX

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/YX562LSXTDQUTLFHIJWIXPUZOU \
  | 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: c5fbed2e5798e149aca7426c8bbe99751c151014538125d2a37af0515ed90a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283897636bf437c81f2bd07a149d4009fdc9ca9f5751c18d618422eaf50150ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-04-08T00:31:20Z",
    "title_canon_sha256": "105b488961d5524539adc0082bba1678c4aa24783d82f7ba1d03e9e6350f0da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03784",
    "kind": "arxiv",
    "version": 4
  }
}