Pith Number

pith:APR3N5CQ

pith:2018:APR3N5CQCGA7UYN7ZXT6RJ5VPM

not attested not anchored not stored refs pending

GEP-MSCRA for computing the group zero-norm regularized least squares estimator

Shaohua Pan, Shujun Bi

arxiv:1804.09887 v1 · 2018-04-26 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APR3N5CQCGA7UYN7ZXT6RJ5VPM}

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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

KL property of exponent $1/2$ of $\ell_{2,0}$-norm and DC regularized factorizations for low-rank matrix recovery

Receipt and verification

First computed	2026-05-18T00:17:27.579301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e3b6f4501181fa61bfcde7e8a7b57b0f8c0ed7bcf02ffdbf16ad58db010027

Aliases

arxiv: 1804.09887 · arxiv_version: 1804.09887v1 · doi: 10.48550/arxiv.1804.09887 · pith_short_12: APR3N5CQCGA7 · pith_short_16: APR3N5CQCGA7UYN7 · pith_short_8: APR3N5CQ

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/APR3N5CQCGA7UYN7ZXT6RJ5VPM \
  | 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: 03e3b6f4501181fa61bfcde7e8a7b57b0f8c0ed7bcf02ffdbf16ad58db010027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a700730ae76499e5c6bf71f73e1d673efb670c55540859806e4ab0a8119a0404",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-04-26T04:54:57Z",
    "title_canon_sha256": "d379256bbbd1f142cfc301c682b0a784dd79321d135280a46721dfb5488e1ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09887",
    "kind": "arxiv",
    "version": 1
  }
}